Police officers investigating the murder of a Shirley builder have traced vital witnesses in the case.

Two women and a man seen on CCTV in the shop where Mark Corcoran, 26, died, were being sought by detectives.

They have now been located but officers are still looking for witnesses who may have seen Mr Corcoran in the hours before he died.

Police were called to Subitha Food and Wine shop in Whitehorse Lane on Valentines Day after reports of a stabbing.

Paramedics found Mr Corcoran inside the shop suffering from a stab wound to the chest, they struggled to save him but he was pronounced dead at the scene.

It is believed Mr Corcoran was stabbed within 100 yards of the shop, near Selhurst Park, before staggering in and asking for help.

A post-mortem gave cause of death as a stab wound.

A Metropolitan Police spokesman said: “We would still like to speak to anyone who may have seen or spoken with Mark on 14 February - Valentine's Day.

“We would also like to hear from anyone who was in the area of the Crystal Palace football ground, particularly after 7.30pm, and who may have seen or heard anything.”

Any witnesses or anyone with information should call the incident room on 020 8721 4961 or if you wish to remain anonymous please call Crimestoppers on 0800 555 111.