Just Stop Oil protests: Police officer hurt in M25 rolling roadblock crash
A police officer has been injured on the M25 amid climate protests that have closed parts of the motorway in Kent, Surrey, Essex and Hertfordshire.
The police motorcyclist was hurt in a collision which also involved two lorries at a rolling roadblock between junctions 26 and 27 in Essex.
Two people have been arrested for causing a public nuisance.
The Just Stop Oil group, which is protesting for a third day, said about 10 activists had climbed on overhead gantries "in multiple locations".