THREE people have been arrested after a man was stabbed to death in a block of flats.

Emergency services were called around 5.10pm yesterday to Burtons Court flats in Park Way, Horsham, after a report of a man with stab wounds. 

Eight police cars, an ambulance and an air ambulance were seen outside the flats.   

The 37-year-old man died at the scene from his injuries, despite the efforts of police and paramedics. 

His family have been informed.

He is believed to be Anthony Williams from Broadbridge Heath, although he has not been formally identified.

Four people have been now been arrested in connection with his murder.

Two men aged 18 and 22 both from London and a woman aged 22 were arrested 40 minutes after the stabbing at Littlehaven railway station in Horsham.

A 30-year-old man was arrested later on last night. 

The men were detained on suspicion of murder and the woman was detained on suspicion of assisting an offender.

They are currently in custody. 

Detective Chief Inspector Emma Heater from the Surrey and Sussex Major Crime Team said: "Our thoughts are with the family and friends of Anthony Williams at this very difficult time.  

“We have four people in custody at this time and we are appealing for witnesses to come forward who may have information.”

Anyone with information should contact Sussex Police via the eform at: sussex.police.uk/appealresponse or call 101 quoting Operation Edgewood.

Alternatively contact the independent charity Crimestoppers anonymously on 0800 555 111.