Murderers who escaped New York prison left note saying: 'Have a nice day'

Officers, bloodhounds, helicopters search for Richard Matt and David SweatConvicts used power tools to cut steam pipes at maximum-security jail
Two convicted murderers who cut their way out of a steel-walled maximum security facility in northern New York state were on the run on Sunday, sparking an international alert and a desperate manhunt involving helicopters, bloodhounds and hundreds of armed officers.
The inmates, Richard Matt and David Sweat, were described as dangerous and their escape p