NEW DELHI, April 19: Pakistan cricket players Inzamam-ul Haq and Younis Khan along with assistant coach Mushtaq Ahmed have been asked to return to Jamaica in connection with the murder investigation of coach Bob Woolmer.

The Jamaica Coroner's office has sent an official communication to the Pakistan Cricket Board (PCB) requesting them to send Inzamam, Younis and Mushtaq to the West Indies before the inquest into Bob Woolmer's death begins on April 23.

Sources told CNN-IBN that Kingston Coroner Patrick Murphy has sent the letter to the PCB, although the PCB has denied receiving any such letter.

Murphy will hold a full hearing, complete with live testimony from as many as a dozen witnesses who were in the process of being summoned to appear.

Woolmer was found unconscious in his hotel room on March 18 and declared dead a few hours later. Just a day earlier in one of the biggest upsets of the World Cup Pakistan lost against minnows Ireland.

The toxicology report of Woolmer indicated that he was poisoned before being strangled in his hotel room.

According to a source close to the Jamaican police, the investigators probing in Woolmer's mysterious death believe the South African was poisoned to incapacitate him before murdering him in his Jamaica Pegasus Hotel room.

Pakistan has also send two police officers — Mir Zubair Mahmood and Kaleem Imam — to help in the investigation. They joined four Scotland Yard investigators and two forensics experts from Interpol, the France-based International Criminal Police Organisation (Interpol).— Agencies