A security guard and a student protester have been arrested over a confrontation outside a university building in Scotland.

A security guard has been filmed apparently pushing a student protester to the ground and putting a hand round their throat outside a university building in Scotland.

More than 150 G8 demonstrators gathered outside Scotland’s biggest oil refinery today.

British actress Julia Sawalha has led an environmental protest against Esso by urging motorists not to buy the firm's fuel.