Police killed in attack in Mottram, Greater Manchester

Two unarmed female police officers have been killed in a gun and grenade attack in Greater Manchester.

PC Nicola Hughes, 23, and PC Fiona Bone, 32, had been investigating an alleged burglary in Mottram, Tameside.

Dale Cregan, 29, has been arrested in connection with the officers' deaths and two previous murders.

Mark Easton reports.