Talks at Acas continue today over planned industrial action on Tuesday 2nd April. Yesterday a spokesman said:"Productive talks were held today at Acas between London Underground, RMT and Aslef. The parties have adjourned for the evening to consider their positions."
Should the strike on Tuesday 2nd April go ahead, reduced services will operate on the Jubilee line, with customers advised to seek alternative routes and avoid busy interchange stations if possible.
London Underground has said today they will run as many trains as possible on the Jubilee line, but there will be no service between Stanmore and Wembley Park.
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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.