This video can not be played

Video has shown thick plumes of smoke rising at the scene of a heathland blaze where a major incident has been declared.

Suffolk Fire and Rescue Service said about 90 firefighters had been tackling the blaze at Dunwich Heath, near Leiston, which started on Wednesday afternoon.

Overnight, a number of homes and a caravan park had to be evacuated.

Authorities have urged people to avoid the area and keep windows and doors shut.

Follow Suffolk news on BBC Sounds, Facebook, external, Instagram, external and X, external.

Watch: Thick smoke and flames as crews tackle Suffolk wildfire. Video, 00:01:29Watch: Thick smoke and flames as crews tackle Suffolk wildfire

Up Next. Watch: Fire rips through roof of medical centre. Video, 00:00:15Watch: Fire rips through roof of medical centre

Watch: Farmers and fire crews tackle crop fire. Video, 00:00:30Watch: Farmers and fire crews tackle crop fire

Drone video shows forest fire aftermath. Video, 00:00:47Drone video shows forest fire aftermath

Dashcam captures tornado toppling power lines onto car. Video, 00:00:40Dashcam captures tornado toppling power lines onto car

Man impaled by a hiking pole treks 10 miles down mountain. Video, 00:01:04Man impaled by a hiking pole treks 10 miles down mountain

Watch: Giant iceberg turns over near  Greenland's coast. Video, 00:01:02Watch: Giant iceberg turns over near  Greenland's coast

Planes dump water on French wildfires as temperatures rise. Video, 00:01:09Planes dump water on French wildfires as temperatures rise

Why Netanyahu's visit with Trump at the White House is high-stakes. Video, 00:01:48Why Netanyahu's visit with Trump at the White House is high-stakes

Confronting gang members at the heart of Ecuador's drug battle. Video, 00:03:10Confronting gang members at the heart of Ecuador's drug battle

BBC outside court as judge rules singer D4vd will face murder trial. Video, 00:01:21BBC outside court as judge rules singer D4vd will face murder trial

What to expect from Zelensky and Netanyahu's visit to Washington. Video, 00:01:29What to expect from Zelensky and Netanyahu's visit to Washington

What you need to know if you're travelling to France or Spain. Video, 00:01:27What you need to know if you're travelling to France or Spain

BBC speaks to Palestinians targeted by Israeli settlers. Video, 00:01:28BBC speaks to Palestinians targeted by Israeli settlers

Watch: At the scene of Berlin Pride attack as manhunt continues. Video, 00:01:27Watch: At the scene of Berlin Pride attack as manhunt continues