Commuters in London are bracing for a fresh wave of disruption this week as Tube strikes grip the capital once again.
The strikes were confirmed on Monday after last minute talks between the RMT and London Underground officials failed to reach a breakthrough.
Drivers belonging to Aslef are not taking part in the strike, meaning most Tube lines are expected to remain running, although services are likely to be reduced.
The Overground, Elizabeth line and DLR will still be running, but services are expected to be very busy, with crowding likely throughout the day.
The Standard has put together a full breakdown of which lines are expected to be affected.
Commuters squeeze into busy train carriages during April strikes
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Tube lines facing total or partial closures
Circle Line: No service expected across the entire line.
Central Line: No service between White City and Liverpool Street.
Metropolitan Line: No service between Baker Street and Aldgate
Lines operating on a reduced service
Services running as normal