Several emergency services, including the air ambulance, have descended on a busy junction.

The incident happened in Singlewell Road in Gravesend at about 5pm.

Three police cars, an ambulance and fire crews were spotted where it meets Cross Lane West and Cross Lane East.

An air ambulance was also seen leaving Woodlands Park which is close by.

One witness said: “We were driving past so I couldn’t see much – just a few fire engines, ambulances and police.

“But it was a big incident.”

Emergency services have been asked for more information.