The release of more than 100 pages of declassified files and a memorandum by Director of National Intelligence Tulsi Gabbard has reignited political battles over Russia's actions during the 2016 presidential election,

President Donald Trump rehashed longstanding grievances over the Russia investigation that shadowed much of his first term, lashing out Tuesday following a new report from his intelligence director aimed at casting doubt on long-established findings about Moscow's interference in the 2016 election.

"It's there, he's guilty. This was treason," Trump said on Tuesday.