Man holds 15 children hostage, opens fire at police in UP's Farrukhabad

A man held 15 children and few women hostage at a house in UP's Farrukhabad. When police arrived for rescue, he opened fire and threw a hand grenade at police. 3 police personnel and a villager got injured in the incident. The person had invited the children to his house, on his daughter's birthday. Senior police officers are present at the spot. Rescue operation is on.