Thieves, thought to be travelling in boats, have been targeting flood victims on the Somerset Levels, police have said.Around 600 gallons of domestic heating oil was stolen from a farm in Moorland overnight from Friday to Saturday.
Two fire service quad bikes were taken from Burrowbridge on the same night.
Chief Superintendent Caroline Peters, of Avon and Somerset Police, who is heading the response to the floods major incident, said: "We are aware of reports in the community of suspicious people and vehicles being seen in the area, particularly after dark.
"We have also heard rumours of people being out in boats at night, but at this stage we have no information to substantiate that."
Last night, the national police air service (NPAS) helicopter flew over the flood-hit area as a "proactive crime prevention exercise".
Police horses have also been deployed and officers will make regular patrols for a "high-visibility presence" and to reassure residents.
More top news
Here is the letter sent by the broadcasters to Prime Minister David Cameron's office in relation to the planned TV leaders debates.
Machete-wielding armed robbers tied up staff and customers of a north Manchester pub during a terrifying raid.
The South African Salvation Army has used a picture of a dress that sent the web into meltdown to raise awareness about domestic violence.