A male cyclist has been hit by a bus at a busy interchange in south London, police said.
A Met spokesman said the collision happened at St George's Circus junction in Southwark at about 3pm.
The bus - which is believed to have been out of service - was left with a badly damaged windscreen after the crash, according to witnesses.
Its driver stopped at the scene, a Met spokesman said.
<blockquote class="twitter-tweet" lang="en">Bus windscreen after collision at St George's Circus <a rel="nofollow" target="_blank" href="https://www.awin1.com/awclick.php?mid=9&id=222025&p=http://t.co/OveseEqym4" class="body-link" data-vars-item-name="BL-143806-http://t.co/OveseEqym4" data-vars-event-id="c23">pic.twitter.com/OveseEqym4</a>— London SE1 (@se1) <a rel="nofollow" target="_blank" href="https://twitter.com/se1/status/534731593039216641" class="body-link" data-vars-item-name="BL-143806-https://twitter.com/se1/status/534731593039216641" data-vars-event-id="c23">November 18, 2014</a>
The London Air Ambulance attended and paramedics treated the man at the scene of the collision.
It is not yet known how old the man is.
One witness tweeted: "Man lying in road in St George's Circus after being hit by bus. He's in a bad way and so is the bus."
Another person at the scene said St George's Circus had been "closed down" after the crash.
