The Borough of Camden will be the first to take delivery of the new "body-worn-video" cameras, with further trials in:
Officers will store material from each incident and keep it on file for a month, unless it is required for the purposes of evidence.
More top news
Staying blustery for the next 24 hours with strong winds driving some rain, sleet and snow from west to east tonight.
The mother of murdered Boris Nemstov's girlfriend is worried her daughter is being treated as if she had something to do with the killing.
Student Charlie Mann was jailed for 16 months for the attack on his mother at their family home while high on Meow Meow.