The group Ansar Beit El-Maqdis, which is based in the Sinai, claimed responsibility for the attack. Hamas has denied any links to attacks in Egypt. The allegations are "false and unfounded," and are meant to "drag our name" into the violence, the group said on Thursday. "The accusations of invovelment in the Mansoura bombing are an attempt to export the internal Egyptian crisis," Hamas spokesperson Sami Abu-Zuhri said via his Facebook page.
Seven people, including the son of a Muslim Brotherhood leader, have been arrested in connection with the suicide bomb attack, the interior minister said."Seven of the accused have been arrested, most prominent is Yehya Almongi Saad al-Huseini who is the son of a Muslim Brotherhood leader," he told a news conference.