Grenade collapsed after being thrown into the home of a drug dealer . No one was injured in attack but householders were ' extremely distressed ' by drug dealer Ryan whilst staying there with parents and friends . Police said it was ' terrorist attack ' prompting fears of underworld turf warfare .
Grenade exploded after being thrown into the home of a drug dealer . No one was injured in attack but householders were 'extremely distressed ' Convicted drug dealer Ryan Coward lived there with parents and brother . Police said it was 'targeted attack ' prompting fears of underworld turf war .