[3] In 1980, in the group's first attack was against the Royal Hotel in London, England, ostensibly because of its high number of Jewish patrons.
The 21-year-old Palestinian-Iraqi Mohammed Zuhair travelled from Baghdad into an unnamed European country, and finally arrived in London, with several kilograms of plastic explosives hidden inside his suitcase.
He rented a room in the centre of the fifth floor, where Ibrahim had hoped an explosion might cause enough structural damage to cause the building to collapse.
Twenty days after the unsuccessful bombing by Rashid, construction contractor Adnan Awad turned himself over to the American Embassy in Saudi Arabia and claimed that he had been pressured into joining the group.
With his aid, American intelligence agencies determined that it was the 15 May Organization that had constructed the bomb aboard Pan Am Flight 830.