Dozens Killed in Libya Clashes

The latest from Libya's capital Tripoli, where fresh fighting has erupted between rival militias, killing dozens. Also, we hear from Arizona in the US, where a memorial service will take place for senator John McCain, who died of an aggressive form of brain cancer. And should sending emails while commuting count as work? Researchers in the UK think so. We hear views from around the world.

(Photo: Smoke rises during heavy clashes between rival factions in Tripoli, Libya. Credit: Reuters).