He was captured by the opposition fighters and is one of the highest Gaddafi-era officials in prison.
During the day's fighting, 11 opposition fighters were killed and 40 wounded.
A number of government soldiers and opposition fighters were also killed.
Four of the opposition fighters were killed and 65 wounded during the offensive.
The Taliban said today that they had pushed the opposition fighters back a mile or so.
At least 41 soldiers and 32 opposition fighters died throughout the country.
Nine opposition fighters had been killed and 97 wounded in the previous day of fighting.
The reporter stated that he saw at least six dead opposition fighters and dozens of wounded after they tried to storm the school.
The government says that its bombing campaign is solely directed at opposition fighters, not civilians.
At least 14 opposition fighters were later reported killed and 28 others wounded.