A 7-year-old child was killed and two others injured in an explosion outside the gates of the Christian Colony in Chaman Friday evening, Balochistan police officials told DawnNews.

The injured were rushed to the Chaman Hospital for medical treatment.

"The blast smashed windows in nearby homes," SHO Gul Mohammad said, adding that the explosion was caused by a hand grenade lobbed near the colony's gates.

Police and Frontier Corps personnel reached the spot and an investigation went underway.

This is the third deadly attack reported in the country amidst celebrations of Eid Miladun Nabi.

It was preceded by an attack on an educational institute in Peshawar and a landmine explosion targeting soldiers posted in South Waziristan agency.