Witnesses said some students initially resisted the soldiers, who carried automatic weapons, truncheons, and tear-gas canisters.

Five policemen were taken to hospital after a lorry overturned while carrying canisters of the chemical phenylacetonitrile near Scotswood Bridge, Newcastle upon Tyne.

Jail supervisors and some guards carry canisters of pepper spray.

Some carry canisters of bleach or chlorine on their backs and hose sprays so they can disinfect the homes of the sick.

Outside, a handful of police officers and two or three Israeli soldiers walked about carrying tear-gas canisters.

Security sources said those killed were carrying canisters of diesel on mules and their bodies were found on the Iraqi side of the border.

Six secondaries in the front carried canisters that held living brains that were far, far more ancient than the secondaries themselves.

Dren had carried several such canisters aboard the satellite stations over Vemla.

A Saudi man was detained while trying to carry out a suicide bomb attack in a truck carrying canisters of chloride in Ramadi.

In their belt kit they carried canisters, which were almost certainly full of mace.