Underground stations were closed and buses were crammed with commuters grappling with a walkout by transit workers that is expected to continue until Friday.

A strike on the London Underground began Sunday over pay and conditions, threatening to upend commuter journeys for most of the week.

RMT begins walkouts, with TfL warning of ‘severe disruption’ across entire London Underground

Members of the RMT union are staging a walkout until Thursday over terms and conditions.

Thousands queued to try and get on crammed buses, while others reluctantly walked or cycled, amid little to no Tube service for five days.

A strike by around 10,000 drivers and other workers on London's subway system brought travel disruption to millions of Londoners and commuters into the capital.

Underground stations were closed and buses were crammed with commuters grappling with a walkout by transit workers that is expected to continue until Friday.

Some people were able to work from home. Others crammed onto buses or spent hours trying to reach their destinations.

What to know about the disruption to the city’s underground transit system this week, and alternative ways to travel.

RMT begins walkouts, with TfL warning of ‘severe disruption’ across entire London Underground

The planned shutdown, which will affect transit in and beyond Paris, dovetails with the tube strike in London.