A helicopter crashed into a crane on top of one of Europe’s tallest residential blocks on Wednesday, killing two people as it burst into flames and spiraled down into rush-hour traffic close to the Houses of Parliament in central London.
Police said there was nothing to suggest a terrorism link to the crash on a foggy morning on the south bank of the River Thames, less than a mile from Britain’s parliament, its secret services headquarters and the site of a new U.S. embassy.
In parliament, later in the day, Prime Minister David Cameron said helicopter flights over a city with an increasing number of huge skyscrapers needed to be carefully examined.
“There was a big bang and bits started showering down, then there was an explosion down the road,” said truck driver Ray Watts whose vehicle was hit by falling debris.
“We saw the fireball down there and the smoke. We didn’t know what way to run because there were bits coming down everywhere.”
READ ON: Helicopter crashes into crane on London tower, kills two
A helicopter releases water during a fire at a tower block in Istanbul July 17, 2012.
A large fire broke out in a 42-storey tower block in central Istanbul on Tuesday, sending thick smoke billowing into the air before firefighters extinguished the blaze, and there were no reports of casualties, officials said. [REUTERS/Osman Orsal]
FULL FOCUS: The best Reuters images from the past 24 hours
The Orvillecopter by Dutch artist Bart Jansen (back L) flies in a gallery as part of the KunstRAI art festival in Amsterdam June 3, 2012. Jansen said the Orvillecopter is part of a visual art project which pays tribute to his cat Orville, by making it fly after it was killed by a car. He built the Orvillecopter together with radio control helicopter flyer Arjen Beltman. [REUTERS/Cris Toala Olivares]
FULL FOCUS: The best photos from the past 24 hours


![A helicopter releases water during a fire at a tower block in Istanbul July 17, 2012.
A large fire broke out in a 42-storey tower block in central Istanbul on Tuesday, sending thick smoke billowing into the air before firefighters extinguished the blaze, and there were no reports of casualties, officials said. [REUTERS/Osman Orsal]
FULL FOCUS: The best Reuters images from the past 24 hours](http://24.media.tumblr.com/tumblr_m7dimb01sy1qmaoalo1_1280.jpg)
![The Orvillecopter by Dutch artist Bart Jansen (back L) flies in a gallery as part of the KunstRAI art festival in Amsterdam June 3, 2012. Jansen said the Orvillecopter is part of a visual art project which pays tribute to his cat Orville, by making it fly after it was killed by a car. He built the Orvillecopter together with radio control helicopter flyer Arjen Beltman. [REUTERS/Cris Toala Olivares]
FULL FOCUS: The best photos from the past 24 hours](http://25.media.tumblr.com/tumblr_m53m5rhodF1qmaoalo1_1280.jpg)