21.   It appeared that he was preparing a bomb.

22.   It was initially believed he was preparing a bomb that went off prematurely.

23.   Israel radio reported that they were preparing a bomb that went off accidentally.

24.   ISRAEL-EXPLOSION, an east Jerusalem explosion Friday wounds a hotel guest who police say was preparing a bomb.

25.   It was not immediately clear what caused the explosion but police were examining the possibility that the person wounded had been preparing a bomb, Israel radio said.

26.   Officials say their plan was exposed when a fire began as they prepared a bomb.

27.   Salameh has also been convicted for additional attacks against Israelis and collaborators, preparing bombs, possession of weapons and activity in Hamas.

28.   Sheikh said police were led to the factory while investigating the death of a man killed while apparently preparing a bomb last week in Bethlehem.

29.   The cause of the explosion was not clear, but Israel radio said police were examining the possibility that the person wounded had been preparing a bomb.

30.   The man killed in Bethlehem was not immediately identified, but Palestinian police sources who spoke on condition of anonymity said they believed he had been preparing a bomb.