The cries of protesters were part of a rising chorus of calls for answers from leaders across a divided Libya, specifically for an international investigation.
Violence erupted this week in Libya’s capital, Tripoli, again sowing chaos in a country plagued by instability since the ouster of the dictator Muammar el-Qaddafi more than a decade ago.
The current prime minister, Abdul Hamid Dbeiba, rejected Parliament’s decision, raising concerns that the oil-rich African nation was returning to a divide with two rival governments.