Police have launched a murder investigation into the fatal stabbing of a man in Greenford on Friday. The victim has been named as 24 year old Dean Mayley from Northolt. No arrests have been made at this stage. Enquiries into the circumstances of the stabbing on Ruislip road are continuing.
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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.