Emergency services are on stand-by in the centre of Cambridge after an abandoned rucksack sparked a bomb scare.
The Lion Yard and Grand Arcade shopping centres are believed to have been evacuated and police cordons are in place on nearby streets.
A spokesman for Cambridgeshire Fire Service, which has one crew on the scene, said a bomb squad had arrived within the last half an hour.
She said they had been called in following reports of a rucksack which had been abandoned at the Grand Arcade.
East of England Ambulance Service spokesman Gary Sanderson confirmed it had received a call at 2.13pm to a report of a suspect package.
He added: "The trust's hazardous area response team (HART) are at the scene liaising with their emergency service colleagues as a precautionary measure."
More top news
Muslims in Bedfordshire are apparently being targeted by a group which aims to stop them voting- claiming the process is "anti- islamic."
After months of gruelling training, amateur runners can now bask in the glory of completing the London Marathon.
The Waveney constituency is as far east as you can go in the British Isles and it's also one of the most marginal seats in the country.