<p>The Islamic State group issued a cryptic warning before multiple blasts hit the Indonesian capital Jakarta today, killing at least four people, police said.<br /><br /></p>.<p>National police spokesman Anton Charliyan said it was not clear yet which group had carried out what the Indonesian president has termed "acts of terror".<br /><br />But he said that IS issued a cryptic warning before the attacks.<br /><br />"The warning said there will be a concert in Indonesia and it will be international news," he told a local radio station.<br /><br />He did not give any further details, or say when the warning was issued.<br />Police foiled several terror plots in Indonesia last month, with some believed to be linked to IS.<br /><br />Hundreds of Indonesians are feared to have joined the jihadist group, which has taken over vast swathes of territory in Iraq and Syria.</p>
<p>The Islamic State group issued a cryptic warning before multiple blasts hit the Indonesian capital Jakarta today, killing at least four people, police said.<br /><br /></p>.<p>National police spokesman Anton Charliyan said it was not clear yet which group had carried out what the Indonesian president has termed "acts of terror".<br /><br />But he said that IS issued a cryptic warning before the attacks.<br /><br />"The warning said there will be a concert in Indonesia and it will be international news," he told a local radio station.<br /><br />He did not give any further details, or say when the warning was issued.<br />Police foiled several terror plots in Indonesia last month, with some believed to be linked to IS.<br /><br />Hundreds of Indonesians are feared to have joined the jihadist group, which has taken over vast swathes of territory in Iraq and Syria.</p>