Original sentence: Around 20 British soldiers were killed and their bodies mutilated.However, before this could happen, on 20 June some of the local police mutinied and seized the Crater in association with nationalist insurgents
Edited sentence: Eight British soldiers from a transport unit were ambushed and killed by the mutineers.However, before this could happen, on 20 June Arab members of the locally recruited Aden Armed Police mutinied and seized the Crater in association with nationalist insurgents.Other soldiers were killed in separate clashes