[1] The Palestinian Islamist militant organization al-Qassam Brigades[2] claimed responsibility for the attack.

[3] On 12 December 2001, three armed Palestinians militants planted a roadside bomb beside the road leading to the Jewish settlement of Immanuel.

[4] Soon after, a non-armoured[5] Dan bus line 189, en route to Immanuel from Bnei Brak, approached the site as two roadside bombs exploded.

[4][6] The bus, which was greatly damaged in the explosions,[5] continued to drive several hundred meters until it was immobilized.

Palestinian officials identified the dead man as 21-year-old Asem Rihan, a Hamas member and student at Al Najah University in Nablus.