Police remain in a stand-off with a man.
Armed officers have been seen at the scene on Park Road, in Stapleton, Bristol.
Emergency services were called to the area at 5pm on Thursday night.
The block of flats was evacuated over night and the road remains closed.
Avon and Somerset Police are advising people to stay away from the area.
Ambulance crews, plain clothed officers and dogs remain at the scene on Friday evening.
Supt Will White said: "This is an isolated incident and we're...
