51.   Camping gas canister explodes near ancient Greek temple in Sicily,

52.   Earlier this month, authorities discovered an empty gas canister on the steps of the town hall in Les Mureaux.

53.   FARC leaders issued a statement admitting they had fired the homemade mortar, made from a cooking gas canister, but said they had not aimed for the church.

54.   Five of the six bombs planted were made with gas canisters.

55.   Gas canisters are traditionally used in Palestinian bakeries to keep warm pastries before they are sold.

56.   Gas canisters are used for cooking and heating.

57.   Gas canisters have been increasingly used by Islamic extremists in attacks in Algeria.

58.   Gas canisters have been used in previous attacks in France.

59.   Gas canisters packed with nuts, bolts and nails have been used in the other bombings and attempts.

60.   Gas canisters soaked in gasoline were used in that attack.