A second man has been arrested in connection with a series of fires at properties linked to the Prime Minister.

The 26-year-old was arrested around 1.45pm on Saturday, May 17 at London Luton Airport on suspicion of conspiracy to commit arson with intent to endanger life.

The arrest was made by counter terrorism officers from the Eastern Region Special Operations Unit. The man has been taken into police custody in London.

The arrest relates to three incidents - a vehicle fire in NW5 on May 8, a fire at the entrance of a property in N7 on May 11 and a fire at a residential address in NW5 in the early hours of May 12.

A police officer is seen in Kentish Town, north London. Police are investigating a fire at Sir Keir Starmer's house in north LondonPA

Anyone with information that could assist the investigation should call police on 101 quoting CAD 441/12 May.