The planes, carrying more than 350 people, experienced "a loss of required separation" while preparing to land at the same Phoenix airport, the FAA said.

A United flight from San Francisco and a Delta flight from Detroit came within 425 feet of each other in the sky, according to flight radar data. NTSB guidelines say planes should always stay at least five miles apart.

I have a lot of admiration for Manchester United's performance in their FA Cup win against Arsenal, especially to grind it out with 10 men for an hour after Diogo Dalot was sent off. I do not want to devalue what United did against Arsenal or Liverpool but they were games where the expectation was not on them to get results.

Southampton make the long trip to Manchester United in the Premier League this evening.The Saints are rooted to the bottom of the Premier League table and have won just six points since promotion.