Greater Manchester Police name Dale Cregan, 29, as a man they wish to question following attacks on two homes which left a man dead.
A 46 year old died during an attack on a house in Clayton which police believe involved gun shots and an explosion.
Dale Cregan is wanted for the murder earlier this year of Mark Short, 23, who was shot dead at a pub in Droylsden.
Police have arrested a man wanted in connection with a grenade and gun attack. Anthony Wilkinson was found in a park in Manchester.
Police looking for two men wanted in connection with the death of David Short have teamed up with Crimestoppers to offer a £25k reward.
Police have arrested a man in connection with two attacks in Clayton and Droylsden in which a man was killed.