A person suspected of setting fire to a cabin on a passenger ferry tonight has been detained, Humberside Police has said.
Police were called at 11pm when the fire broke out on the ferry heading to Holland. The force added that it was not sure if the fire was deliberate.
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One of the attackers who murdered a priest in a French church during morning mass in Normandy has been named by prosecutors.
Father Jacques Hamel has been described as man who dedicated his life to his parishioners and still regularly led mass, even at 86.
Rain will spread southeastwards through N. Ireland, Wales and England overnight.