Libya's parliament has passed a series of laws formally outlawing kidnapping and torture.
The measures are aimed at reining in armed militias that frequently arrest and sometimes torture citizens. The laws say anyone complicit in such crimes also will be punished. They specifically mention politicians, bureaucrats, police and the military.
Prime Minister Ali Zidan's office said his chief of staff was freed Monday, a week after he was kidnapped. No other details were given.
The new Libyan government is struggling to assert its authority over militias, less the two years after the popular uprising that toppled long-time dictator Moammar Gadhafi.