rebel leader reported killed in Zawiya

Sad news here:

1500: Al-Jazeera is now reporting that the rebel leader in the western Libyan city of Zawiya, Hassan Warbok, has been killed. A witness also told the channel that at 50 people had died in fighting on Friday. A resident told the Reuters earlier that pro-Gaddafi forces had been deployed around the town, with 2,000 fighters to the south and 80 armoured vehicles to the east.

[ADDENDUM: The latest reports are that he died from friendly antiaircraft fire]