The net has been cast over a wider area in the search for two convicted killers, still on the run in the US.<br /><br /> Police have extended the five-day manhunt for David Sweat and Richard Matt out of New York, eastwards into neighbouring Vermont.<br /><br /> A female prison worker has been questioned, police confirm. She is believed to have befriended the pair and may have had a role in their escape from the maximum security jail.<br /><br /> Peter Shumlin, Governor of Vermont, warned people to stay aware.<br /><br /> “If you see suspicious people, don’t go near them. Call law enforcement. Lock your doors, make sure that you are being vigilant and let’s work together to get these two dangerous men locked up once again,” he advised. <br /><br /> UPDATE: More identifying info on the two NY Escapees, David Sweat & Richard Matt. Again, if seen, Call 911 #Dangerous pic.twitter.com/bkFf1osr7p— Blue Alert (@BlueAlertUs) June 9, 2015<br /><br /> Matt, 48, had been serving 25 years to life for beating a man to death in 1997, while 34-year-old Sweat h
