31.   Palestinians also placed gas canisters on the road in several locations so they could shoot them and make them explode as tanks approached.

32.   Previous attacks have been staged with gas canisters packed with nuts, bolts and nails.

33.   Police launch a manhunt for a suspect whose fingerprints were found on a gas canister used in a failed bomb attack on a high-speed train line.

34.   A mailman discovered the gas canister and alerted police who cordoned off the area, but the explosion took place before a bomb squad arrived, police said.

35.   A metal stove and gas canisters for cooking stood to one side of the central aisle.

36.   A gas canister exploded at a roadside restaurant near the German border, causing the roof to collapse and killing at least a dozen people, police said.

37.   A gas canister exploded in a garbage can in southern Paris on Friday, injuring eight people, officials said, as France faced a wave of terrorist bombings.

38.   A gas canister.

39.   A passer-by discovered the gas canister and alerted police, but the explosion took place before a bomb squad arrived, police said.

40.   A makeshift bomb made of three camping gas canisters later exploded outside an office belonging to the Greek Communist Party, causing minor damages but no injuries.