Strike severely disrupts Tube
Some services resume on the London Underground following severe disruption on the first morning of a series of 24-hour strikes.
M1 Hertfordshire Accident, now on the hard shoulder southbound between J9, Redbourn and J8, Hemel Hempstead, queueing traffic.
Industrial action affecting London Underground services Industrial action by members of the RMT and TSSA unions are likely to affect Tube services throughout Tuesday 7th September. More details are available from BBC News.