In Pakistan, at least four people were killed and 12 others injured in a bomb blast outside a Sufi shrine in Pakpattan city on Monday. According to police, two unidentified men parked a motorcycle outside the gate of the shrine and the blast occurred shortly thereafter at 6.20 am in the central Pakistani city. They said the explosive device was believed to have been planted in the motorcycle and was triggered by a remote control.Rescue workers rushed to the site and took the injured to the nearby hospital. No group has claimed responsibility for the blast so far.