Orlando - 'Single Worst such Atrocity in American History'

The FBI says the gunman who shot dead 50 people in a gay nightclub in Florida had sworn allegiance to so-called Islamic State group. The FBI had previously interviewed him three times as a possible terror suspect - but took no action.

Vast Medieval cities have been revealed under the Cambodian jungle, thanks to the latest laser technology. Archaeologist Damian Evans explains the importance of this discovery.

And, we return to Tbilisi Zoo, a year after floods killed nearly 300 animals; many others escaped to roam the Georgian capital.