Attack on teacherInvestigators are still questioning the four suspects taken into custody for the gruesome murder of 22-year-old Kescia Branche, who was found exactly one week ago in a battered and unconscious state.Dead: Kescia BrancheOn Friday, detectives arrested an “associate” of the young woman. “The deceased was in contact with a male on several occasions via cellphone in the early hours of that morning. This person has been identified and is in custody assisting investigators,” Police said in a statement on Friday.Guyana Times understands that upon examining the cellular phone of the deceased, detectives came across the number, and as such, tracked down and arrested the associate.Investigators also hauled in Branche’s former partner, the father of her son, for questioning on Thursday. He, too, remains in custody.Even as these two civilians are being questioned, the two Police Constables with whom the young woman was seen leaving a city night club also remain under close arrest.Additionally, two other ranks are being questioned after phone records show they were in constant contact with one of the Constables after he left the night club in company of the now dead young woman.Meanwhile, a post-mortem examination conducted on Friday morning revealed that Branche died as a result of brain haemorrhage and blunt trauma to the head.The unconscious Richard Ishmael Secondary School teacher was found in the vicinity of Princes Street and Louisa Row, Georgetown last Sunday sometime around 05:00h.She was rushed to the Georgetown Public Hospital where she remained in an unconscious state hooked up to life support machines until last Tuesday, when she succumbed to her injuries at some time around 17:00h.Branche, who had resided in Cummings Lodge, Greater Georgetown, was last seen on Saturday, November 4, 2017, when she left for a night out with her friends. The Police are seeking the public’s assistance to determine what may have transpired that resulted in the inhumane beating the young woman received.