Watch: Four injured after horses cause 'total mayhem' in central London

Two horses on the loose bolt through the streets of London near Aldwych. (Jordan Pettitt/PA)

Army horses have bolted through central London after they were spooked by the noise of builders moving rubble down a rubbish chute.

Chaos erupted when seven of the animals got loose, with four soldiers thrown off during an extended exercise in Belgravia on Wednesday.