He normally did the nightshift but was providing daytime holiday cover until the end of month.

BBC: Princess Victoria cook's shift change saved his life

Despite the pickets, an estimated 60% of the nightshift still turned up for work and the colliery was able to operate.

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Coach, which was executive-produced by Whoopi Goldberg, took the best short documentary prize while Italy's The Nightshift Belongs to the Stars won best narrative.

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"They said alright, you can take over your nightshift on Friday night and we'll alter the reliefs to go back onto their shifts on the Saturday morning, " he recalled.

BBC: Princess Victoria cook's shift change saved his life