Travellers in the UK faced more misery on Wednesday with more than 150 flights scrapped across the country, as Britain’s air traffic control service scrambled to recover from a technical glitch that sparked chaos. Aircraft tracking website FlightRadar24 said 177 flights scheduled for Wednesday had already been axed, following 1,300 cancellations to and from UK airports a day before. Nearly all the latest affected flights were at Britain’s busiest airport Heathrow in London, FlightRadar24 wrote...