The head of Central African Republic's Red Cross says the capital's streets are too dangerous for aid workers to collect bodies and transport the wounded after days of sectarian clashes.

Antoine Mbao-Bogo said Wednesday that Red Cross teams have not been able to work since Saturday when fighting began.

At least 42 people have died but because of the chaos it's difficult to know what the actual death toll is, he said. Among the victims was a teenage boy who was decapitated, according to the U.N. children's agency.

More than 27,000 people have fled their homes in recent days amid Central African Republic's worst violence in more than a year.

Early Wednesday, new clashes erupted between Christian and Muslim militias near the capital's Muslim enclave.