Czech investigators say the explosion that killed the ambassador at the Palestinian Embassy complex in Prague was not caused by a booby-trapped safe as previously believed.
Police said Monday that their investigation has revealed that the blast that killed Ambassador Jamal al-Jamal on Jan. 1 did not occur inside the safe and no explosive device was part of the safe.
The cause of the explosion remains unclear. Police said in a statement that they need several more weeks to complete their investigation.
Police say they discovered 12 illegal weapons and explosives at the embassy dating from the 1970s and 1980s. Palestinian authorities have said the weapons were gifts from officials in Czechoslovakia during the Cold War.
The ambassador's death is being investigated as a case of negligence.