Never seen this before they usually only do 24hours.
RMT confirms week-long Tube strike is going ahead with industrial action beginning at 6pm TONIGHT as talks break down
Strike to cause chaos with 'little to no' Tubes from next Monday until Thursday
c2c, Thameslink, Great Northern, Southern and Chiltern trains also affected
https://www.dailymail.co.uk/news/article-12930763/rmt-tube-strike-london-confirm-industrial-action.html