A man who threatened a police constable with a knife before launching missiles at officers during a dangerous rooftop standoff has been jailed for over two years.<br /><br />Jamie Stones became aggressive towards officers when they attended his home on Burgoyne Road during an arrest attempt as the 35-year-old tried to barricade the door to prevent them from entering.<br /><br />He then lunged at officers with a knife before climbing onto the roof of the property and hurling tiles at officers on the street below.
