The QPR Chief Executive Philip Beard has said it was "too early to say" if Harry Redknapp will be the club's next manager. He spoke briefly to the media as he left Loftus Road this evening.
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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.