<p>Quoting police sources, Der Spiegel said the attack would involve a hostage taking in Berlin’s historic Reichstag building.<br /><br />Germany’s Federal Crime Office (BKA) was informed about the plans in several telephone calls from a jihadist abroad, who allegedly wanted to quit an extremist group, the magazine said.<br /><br />Information received from the caller prompted Interior Minister Thomas de Maiziere on Wednesday to warn of a heightened threat of Islamist attacks on German territory.<br /><br />Barriers were erected around the Reichstag as part of increased security measures.<br />German police and the interior ministry were not immediately available for comment on the report.<br /><br />Group of six <br /><br />Der Spiegel said the attack was to be carried out by a unit of six people, according to the informer.<br /><br />Two of them had already arrived in Berlin six to eight weeks ago, while the four others — a German, a Turk, a North African and another man whose identity was unknown to the informer were waiting to enter the country.<br /><br />The attack was allegedly planned for February or March.<br /><br />Der Spiegel said De Maiziere had been told by the FBI two weeks ago of a planned attack by a Shia Indian group which was cooperating with al-Qaeda and planning to send two group members to Germany.</p>
<p>Quoting police sources, Der Spiegel said the attack would involve a hostage taking in Berlin’s historic Reichstag building.<br /><br />Germany’s Federal Crime Office (BKA) was informed about the plans in several telephone calls from a jihadist abroad, who allegedly wanted to quit an extremist group, the magazine said.<br /><br />Information received from the caller prompted Interior Minister Thomas de Maiziere on Wednesday to warn of a heightened threat of Islamist attacks on German territory.<br /><br />Barriers were erected around the Reichstag as part of increased security measures.<br />German police and the interior ministry were not immediately available for comment on the report.<br /><br />Group of six <br /><br />Der Spiegel said the attack was to be carried out by a unit of six people, according to the informer.<br /><br />Two of them had already arrived in Berlin six to eight weeks ago, while the four others — a German, a Turk, a North African and another man whose identity was unknown to the informer were waiting to enter the country.<br /><br />The attack was allegedly planned for February or March.<br /><br />Der Spiegel said De Maiziere had been told by the FBI two weeks ago of a planned attack by a Shia Indian group which was cooperating with al-Qaeda and planning to send two group members to Germany.</p>