Link , Link , [President Donald Trump announced Tuesday evening that he has fired top US security official Christopher Krebs Krebs was the head of the Department of Homeland Security's Cybersecurity and Infrastructure Security Agency His agency monitored the election and declared it was 'the most secure in US history' saying there was no evidence it was 'compromised' in any way He was also behind a 'Rumor Control' website that debunked misinformation about the election, according to the three people familiar with the matter 'The recent statement by Chris Krebs on the security of the 2020 Election was highly inaccurate,' Trump said in a pair of tweets Krebs said after firing: 'Honored to serve. We did it right. Defend Today, Secure Tomorrow. #Protect2020' The firing comes as Trump has refused to concede the election to Joe Biden The move comes after purge at the Pentagon including defense secretary and top intelligence officials]