POLICE are investigating an arson attack which caused severe damage to a historic tug boat.
Firefighters were called to the 1950s ice-breaker at 5.10am today. The boat was moored on the Calder and Hebble Canal off North Cut at Brighouse.
The interior and wooden wheelhouse was gutted. The boat had only recently been returned to the UK from France and was awaiting minor repairs.
It is understood the police helicopter came across the fire after attending reports of intruders nearby.