Newshawks: Four Alberta RCMP officers killed during raid

Four police officers are dead after conducting a raid on a marijuana grow operation northwest of Edmonton on Thursday.

At approximately 10 a.m. MT, a shootout broke out between police and a male suspect at a farmhouse in Rochfort Bridge near the community of Mayerthorpe, about 130 kilometres northwest of Edmonton.

This extended coverage includes how these tragic events will effect the up coming discussion on cannabis at the Liberal Convention and at the Federal level were new legislation is planned.