Drones

Police have been putting drones to use to help enforce the coronavirus lockdown. The drones have been used to make announcements in city centres instructing locals to stay at home, as well as filming people still out and about to shame people into remaining indoors.
Song Jiang had escaped prison and was living in a cave in the mountains.
The Japanese government aims to have people zipping around in these by the 2030s.
It's the latest escalation in a tense standoff between Washington and Tehran.
The US military says it didn’t fly over the area on Wednesday.
The machines are coating bird eggs with oil so they won't hatch to feast on dwindling desert tortoise populations.
Anyone breaking new laws could face five years in jail.
They will examine the impact of the devices on national security and public safety.
In December, London's Gatwick Airport was closed for days after drone sightings.