A Police Constable, identified as Shahzad Ahmad Bangalzai, was killed in an attack on a polio team on May 19, in the rural area of Kali Kariz, a suburban area of Mastung District of Balochistan, reports samaaenglish.tv. Armed men, who opened fire on a group of female workers, killed the Constable assigned to protect the anti-polio team.The members of the anti-polio team remained unharmed in the attack.