Islamabad: Two children - a five-year-old boy and his 12-year-old sister - were killed in Pakistan's northwest tribal region when a bomb they had found exploded, a media report said.
The incident took place in Tapi area in North Waziristan Friday evening, Xinhua reported.
The boy found the explosive device while collecting firewood and took it home.
However, it exploded when his sister snatched it from him, presuming the bomb to be something else.
Both children died on the spot, officials said.