Ministers say the Conservative legislation has not prevented a single day of industrial action and fuelled unrest.

Evans beat world number 13 Frances Tiafoe 7-5 6-2 to reach the second round of the HSBC Championships at Queen’s Club.

The strikes hit the TV station during a live broadcast, resulting in the reporter running off camera following an explosion.

Liberal Democrat MP Josh Babarinde told the Commons he was ‘disgusted’ by the Conservative leader’s ‘party political assault’.