Ex-BBC presenter Dan Walker was knocked out cold for 20 MINUTES after he was hit by a car Posted on February 21, 2023 By Charlielikes Dan Walker, 45, (pictured) has revealed he has ‘no memory’ of a horror bicycle crash that left him knocked out cold for 20 minutes after he was struck by a car while cycling in Sheffield. news Tags:‘after, ‘a, ‘knocked, 20., by, car’, cold, dan, ex-bbc, for, he, hit, minutes…, news, out, presenter, topnews, trending, walker, was