Gleadless Valley Sheffield: Large police and fire service operation mounted after incident in high rise block
A large number of fire engines and police cars have been deployed to a Sheffield estate this morning.
Emergency services started to arrive on Callow Drive, Gleadless Valley, at around 8am.
Residents in tower blocks on the city estate were alerted to their presence by the sound of sirens blaring.
One concerned man has shared video footage to show the number of emergency service vehicles at the scene.
More to follow.