This article is from the source 'bbc' and was first published or seen on . It will not be checked again for changes.

You can find the current article at its original source at http://news.bbc.co.uk/go/rss/-/1/hi/england/london/7295817.stm

The article has changed 3 times. There is an RSS feed of changes available.

Version 0 Version 1
Man quizzed over Heathrow alert Man quizzed over Heathrow alert
(20 minutes later)
Police are questioning a man after an intruder triggered a major security alert at Heathrow airport when he ran towards the runway wearing a rucksack.Police are questioning a man after an intruder triggered a major security alert at Heathrow airport when he ran towards the runway wearing a rucksack.
The suspect was arrested near the north runway and a controlled explosion was carried out on his bag, but nothing suspicious was found.The suspect was arrested near the north runway and a controlled explosion was carried out on his bag, but nothing suspicious was found.
Eyewitnesses said armed police surrounded the man, who had scaled the fence at the west London airport.
Some flights were delayed as the runway was affected for two hours on Thursday.Some flights were delayed as the runway was affected for two hours on Thursday.
The security breach came 24 hours before the Queen was to officially open Terminal 5 at the west London airport.
Second breachSecond breach
BBC correspondent Ben Ando said reports were of a man of Asian or Arab appearance removing his shoes before clambering over the perimeter fence.BBC correspondent Ben Ando said reports were of a man of Asian or Arab appearance removing his shoes before clambering over the perimeter fence.
It is understood a message sent from the pilot to air traffic control alerting them to a man on the runway may have been overheard by the police, allowing them to act swiftly.It is understood a message sent from the pilot to air traffic control alerting them to a man on the runway may have been overheard by the police, allowing them to act swiftly.
Eyewitnesses said armed police surrounded the man who had scaled the fence.
The southern runway remained open throughout the incident which ended just before 1600 GMT.The southern runway remained open throughout the incident which ended just before 1600 GMT.
The incident was the second time in recent weeks Heathrow security had been breached.The incident was the second time in recent weeks Heathrow security had been breached.
Greenpeace protesters walked on to the runway last month and climbed on to a Boeing 777, unfurling a banner in protest against the airport's expansion.Greenpeace protesters walked on to the runway last month and climbed on to a Boeing 777, unfurling a banner in protest against the airport's expansion.