"It's very sad that Republicans, even some that were carried over the line on my back, do very little to protect their President," Trump wrote on Twitter. | AP Photo Trump on Twitter: Republicans 'do very little to protect their President'

President Donald Trump on Sunday afternoon claimed that GOP lawmakers "do very little to protect" him.

"It's very sad that Republicans, even some that were carried over the line on my back, do very little to protect their President," Trump wrote on Twitter after a visit to Trump National Golf Club in Virginia.


It is not clear what the president was addressing, but Congress has yet to pass any of Trump's key legislation, despite a Republican majority in both the House and the Senate. Last week, Republicans in the Senate failed to garner enough votes to pass their legislation to repeal and replace Obamacare, though they may well try again this week. Republican members of Congress are also participating in various investigations of his campaign's interactions with Russia during the election season.

Trump also again denied Russia's involvement in the 2016 election.

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In his first tweet of the afternoon, he wrote: "As the phony Russian Witch Hunt continues, two groups are laughing at this excuse for a lost election taking hold, Democrats and Russians!"

Special counsel Robert Mueller and the FBI also are investigating Russia's involvement with the 2016 election.