Both attacks were motivated officially by Hamas as retribution for the Cave of the Patriarchs massacre conducted against Muslim worshippers in February by Baruch Goldstein.
[1] The attack took place on the Israeli Fallen Soldiers and Victims of Terrorism Remembrance Day.
Hamas bombmaker Yahya Ayyash built a bomb using two kilograms of home-made acetone peroxide explosive.
Twenty-one-year-old Amar Salah Diab Amarna, a native of Ya'bad in the West Bank, was selected for the mission.
[3] As Israeli rescue workers converged on the scene of the explosion, a second pipe bomb exploded.