Hazaribagh (Jharkhand): Senior BJP leader Yashwant Sinha, who is lodged in the Hazaribagh Central Jail, on Friday suffered a head injury when he fell and hit a wall, jail sources said here.

"There is swelling, but no bleeding... Jail doctors as well as his (Sinha's) personal doctor attended him and prescribed medicine," they said, adding, that the former external affairs minister is under observation.