Date: 21 April 2026 Tags: Transport, UK, Labour Summary: 24-hour London Underground strike begins at midday Tuesday, causing major disruption across the network. Second 24-hour strike scheduled from Thursday midday to Friday midday. Rail, Maritime and Transport (RMT) members, representing about half of Tube drivers, are striking. Dispute centres on Transport for London (TfL) proposal for voluntary compressed four-day working week. RMT says longer shifts risk driver fatigue an