► Try the Financial Times for 4 weeks for just £1. Start your trial now - http://bit.ly/2ry7Tkz<br /><br />► Read more at https://on.ft.com/2SfN60M<br /><br />British Prime Minister Theresa May said that police powers over the flying of drones could be extended after the country's second biggest airport was closed due to unknown operators flying the devices within its airspace<br /><br />► Subscribe to FT.com here: http://bit.ly/2GakujT<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes