This UFO was picked up on the camera as it came into view through the window (from right to left) behind the RT reporter in London. This episode was shot in London,on June 13, 2013. Stacy Herbert is the woman speaking when the UFO is seen behind her. This all transpired on the Max Keiser Show when you can see in full below. Move the video to the 5 min 57 mark to see the UFO.
The Max Keiser Show(below), UFO can be seen at the 5 minute 57 second mark.
Here are two additional news reports where uninvited UFO turned up in live news cast. The first from London and the second from Iran.