There are fears over Olympic security after a known terror suspect entered the Olympic Park five times - despite being trailed by police. The alleged Al Qaeda militant was arrested after breaching an order banning him from the area.
It raises serious questions over security less than three weeks before the Games are due to start. Piers Hopkirk reports
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The Hammers moved to the Olympic Stadium in May leaving their old site to be developed for housing.
The first officer shouted "look!" as the drone passed next to the right wing at around 11,000ft above south-east London.
They found a sheepish looking ewe with a traffic cone on her head in the middle of a field.