Officers from the police and the UK Border Agency have carried out a raid this morning at an illegal camp of Romanian immigrants in North London.
More than 60 people had moved onto the site which used to be the home of Hendon football club. Rags Martel sent this report from the scene.
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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.