![Mick Lynch, general secretary of the Rail, Maritime and Transport union, speaks to the media outside the Houses of Parliament in London. PA](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/H2C5ETKTOYQYOHKI6J6HCZVC54.jpg?smart=true&auth=d911cd6bfe3ea2c8439b41e379f9f60927697aefe617182eb0de7169d932224a&width=400&height=225)
Mick Lynch, general secretary of the Rail, Maritime and Transport union, speaks to the media outside the Houses of Parliament in London. PA
Mick Lynch, general secretary of the Rail, Maritime and Transport union, speaks to the media outside the Houses of Parliament in London. PA
Train strikes: Network Rail workers to stage extra Christmas walkout
Members of the RMT union will walk out from 6pm on Christmas Eve until 6am on December 27