TAXILA: Police have arrested three suspected murderers involved in separate murder cases, police spokesman said on Monday. According to the Police spokesman, one of the suspects allegedly killed his friend Umair over some petty dispute and later threw his body in a water canal on Sept 15 and went underground. The spokesman said a team of Taxila police led by SHO Inspector Rana Kashif traced the suspect and arrested him. The spokesman has said that the main suspect in the murder case had already been sent behind bars. The spokesman said that the same team also arrested a trailer driver who crushed a woman to death on G.T. Road near Jameelabad on Sept 19. Two of her family members were also injured in the accident.