EMERGENCY services are attending an incident outside a flat this morning.

The incident is believed to have happened around 7am this morning outside a flat in Russell Square, Brighton.

Three police cars and an ambulance are in attendance and the road is closed off.

One tradesman said they saw “blood on the pavement” – while ambulance crews appeared to be taking pictures of a second-storey window.

The Argus: Pictures this morning in Russell Square, BrightonPictures this morning in Russell Square, Brighton

The tradesman said: "There's lots of blood on the pavement. We’re doing a job in the area.

"We can get over there, but just waiting at the moment."

Sussex Police have confirmed a man has suffered "life-threatening injuries".

South East Coast Ambulance has also been approached for comment.