In a week's time you could be watching TV and your screen will just go blank. Digital UK is warning that a million homes in the capital still rely on the old analogue signal. The digital switchover happens from Wednesday April 4th 2012. The change is made from a transmitter in Crystal Palace.
More top news
Paramedics were on standby outside the police cordon as armed officers stood by the property.
A team of researchers has taken samples from the ten busiest London Underground lines to work out which are the dirtiest.
The action comes on top of an emergency timetable which has seen hundreds of trains a day being axed.