<p class="title">For years, Sri Lanka's Muslim community warned authorities about a firebrand cleric. Now it seems Zahran Hashim may have played a key role in one of the worst attacks in the country's history.</p>.<p class="bodytext">A video released by the Islamic State group after it claimed responsibility for bombs that killed 359 people, appears to prominently feature Hashim.</p>.<p class="bodytext">The round-faced cleric is the only one of the eight figures whose face is uncovered.</p>.<p class="bodytext">Dressed in a black tunic and headscarf, and carrying a rifle, Hashim is seen in the IS video leading seven people in a pledge of allegiance to the group's chief Abu Bakr Al-Baghdadi.</p>.<p class="bodytext">The other seven all wear the same black tunics but their faces are obscured by black-and-white chequered scarves.</p>.<p class="bodytext">Sri Lanka's government has accused Hashim indirectly, saying the Islamist group he was believed to lead -- the National Thowheeth Jama'ath -- carried out the attacks.</p>.<p class="bodytext">Hashim was identified, albeit with his name misspelled as Hashmi, by police as heading NTJ.</p>.<p class="bodytext">The IS video was the first concrete evidence of the apparently central role played by Hashim in the Easter attacks.</p>.<p class="bodytext">Hashim was a virtual unknown before the onslaught -- even inside Sri Lanka.</p>.<p class="bodytext">He had attracted several thousand followers on social media sites, including YouTube and Facebook, where he posted incendiary sermons.</p>.<p class="bodytext">In one, the cleric with an unkempt black beard, delivers an extremist diatribe against non-Muslims, with a crudely photoshopped backdrop of flags in flames.</p>.<p class="bodytext">Hilmy Ahamed, vice-president of the Muslim Council of Sri Lanka, said he had gone to local authorities with concerns about Hashim three years ago.</p>.<p class="bodytext">"This person was a loner and he had radicalised young people in the guise of conducting Koran classes," he told AFP.</p>.<p class="bodytext">"But nobody thought these people were capable of carrying out an attack of such magnitude."</p>.<p class="bodytext">Ahamed said Hashim, who has also gone by the names Mohamed Zahran and Moulavi Hashim, was around 40 years old and from the east coast region of Batticaloa.</p>.<p class="bodytext">The only one of the attacks on Sunday to hit outside of the Colombo area was at the Zion Church in Batticaloa.</p>.<p class="bodytext">"Zahran belonged to an average Muslim middle-class family. He was a drop-out," said Ahamed, adding that the cleric had studied at an Islamic college in Kattankudy, a Muslim-majority city in eastern Sri Lanka.</p>.<p class="bodytext">He was considered a menace by the local Muslim community and caused trouble at Kattankudy's Thowheeth mosque.</p>.<p class="bodytext">"The mosque saw continuous conflict with the traditional mosque goers. Once Zahran took a sword out to kill people belonging to the traditional Muslim mosque," Ahamed said.</p>.<p class="bodytext">Local media said Hashim formed the NTJ in Kattankudy in 2014.</p>.<p class="bodytext">There was still confusion Wednesday about whether that group, or a splinter organisation, carried out the Easter attack.</p>.<p class="bodytext">"There has been a group that has split from the main body," of the NTJ, Deputy Defence Minister Ruwan Wijewardene said.</p>.<p class="bodytext">"We believe that the leader of this group has also committed suicide in one of the attacks," he added, refusing to confirm if he was referring to Hashim or someone else.</p>.<p class="bodytext">Sri Lankan officials are still investigating to what degree IS may have helped the attackers, but Ahamed said Hashim was known by the community to have international ties.</p>.<p class="bodytext">"All his videos have been uploaded from India. He uses boats of smugglers to travel back and forth from southern India," he said.</p>.<p class="bodytext">"I don't know if he is dead or alive," added Ahamed.</p>.<p class="bodytext">And neither do police, who want to know if Hashim was among the suicide bombers.</p>.<p class="bodytext">On Wednesday they were carrying out DNA tests on the bodies of some of the bombers, particularly one who set off explosives at the Shangri-La hotel.</p>.<p class="bodytext">"The biggest concern is Zahran," said an officer close to the investigation.</p>.<p class="bodytext">"Anyone who can help us trace him will be doing everyone a huge favour," the official added. "We have not been able to account for him yet."</p>
<p class="title">For years, Sri Lanka's Muslim community warned authorities about a firebrand cleric. Now it seems Zahran Hashim may have played a key role in one of the worst attacks in the country's history.</p>.<p class="bodytext">A video released by the Islamic State group after it claimed responsibility for bombs that killed 359 people, appears to prominently feature Hashim.</p>.<p class="bodytext">The round-faced cleric is the only one of the eight figures whose face is uncovered.</p>.<p class="bodytext">Dressed in a black tunic and headscarf, and carrying a rifle, Hashim is seen in the IS video leading seven people in a pledge of allegiance to the group's chief Abu Bakr Al-Baghdadi.</p>.<p class="bodytext">The other seven all wear the same black tunics but their faces are obscured by black-and-white chequered scarves.</p>.<p class="bodytext">Sri Lanka's government has accused Hashim indirectly, saying the Islamist group he was believed to lead -- the National Thowheeth Jama'ath -- carried out the attacks.</p>.<p class="bodytext">Hashim was identified, albeit with his name misspelled as Hashmi, by police as heading NTJ.</p>.<p class="bodytext">The IS video was the first concrete evidence of the apparently central role played by Hashim in the Easter attacks.</p>.<p class="bodytext">Hashim was a virtual unknown before the onslaught -- even inside Sri Lanka.</p>.<p class="bodytext">He had attracted several thousand followers on social media sites, including YouTube and Facebook, where he posted incendiary sermons.</p>.<p class="bodytext">In one, the cleric with an unkempt black beard, delivers an extremist diatribe against non-Muslims, with a crudely photoshopped backdrop of flags in flames.</p>.<p class="bodytext">Hilmy Ahamed, vice-president of the Muslim Council of Sri Lanka, said he had gone to local authorities with concerns about Hashim three years ago.</p>.<p class="bodytext">"This person was a loner and he had radicalised young people in the guise of conducting Koran classes," he told AFP.</p>.<p class="bodytext">"But nobody thought these people were capable of carrying out an attack of such magnitude."</p>.<p class="bodytext">Ahamed said Hashim, who has also gone by the names Mohamed Zahran and Moulavi Hashim, was around 40 years old and from the east coast region of Batticaloa.</p>.<p class="bodytext">The only one of the attacks on Sunday to hit outside of the Colombo area was at the Zion Church in Batticaloa.</p>.<p class="bodytext">"Zahran belonged to an average Muslim middle-class family. He was a drop-out," said Ahamed, adding that the cleric had studied at an Islamic college in Kattankudy, a Muslim-majority city in eastern Sri Lanka.</p>.<p class="bodytext">He was considered a menace by the local Muslim community and caused trouble at Kattankudy's Thowheeth mosque.</p>.<p class="bodytext">"The mosque saw continuous conflict with the traditional mosque goers. Once Zahran took a sword out to kill people belonging to the traditional Muslim mosque," Ahamed said.</p>.<p class="bodytext">Local media said Hashim formed the NTJ in Kattankudy in 2014.</p>.<p class="bodytext">There was still confusion Wednesday about whether that group, or a splinter organisation, carried out the Easter attack.</p>.<p class="bodytext">"There has been a group that has split from the main body," of the NTJ, Deputy Defence Minister Ruwan Wijewardene said.</p>.<p class="bodytext">"We believe that the leader of this group has also committed suicide in one of the attacks," he added, refusing to confirm if he was referring to Hashim or someone else.</p>.<p class="bodytext">Sri Lankan officials are still investigating to what degree IS may have helped the attackers, but Ahamed said Hashim was known by the community to have international ties.</p>.<p class="bodytext">"All his videos have been uploaded from India. He uses boats of smugglers to travel back and forth from southern India," he said.</p>.<p class="bodytext">"I don't know if he is dead or alive," added Ahamed.</p>.<p class="bodytext">And neither do police, who want to know if Hashim was among the suicide bombers.</p>.<p class="bodytext">On Wednesday they were carrying out DNA tests on the bodies of some of the bombers, particularly one who set off explosives at the Shangri-La hotel.</p>.<p class="bodytext">"The biggest concern is Zahran," said an officer close to the investigation.</p>.<p class="bodytext">"Anyone who can help us trace him will be doing everyone a huge favour," the official added. "We have not been able to account for him yet."</p>