Mitch McConnell, top Republican in the US Congress, said on Monday that President Donald Trump was “within his rights” to challenge election results in multiple states and the action is not against the democracy.

“President Trump is 100% within his rights to look into allegations of irregularities and weigh his legal options,” the Senate Majority leader said on the first congressional day.

The current president and his party have refused to accept the projected victory of Democrat Joe Biden and multiple Republican lawmakers have urged the president not to concede.

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The Donald Trump campaign has launched legal challenges in several states where the race was close, particularly in pivotal battleground Pennsylvania, where Biden is ahead by more than 45,000 votes or about 0.67%, according to US networks.

“Suffice it to say a few legal inquiries from the president do not exactly spell the end of the republic,” he added.

Trump has repeatedly claimed that huge fraud has occurred, asserting on Saturday on Twitter, “I WON THIS ELECTION, BY A LOT!”

The 2020 races hinged on swing states like Pennsylvania, Michigan, Wisconsin, Arizona, Nevada, Georgia and North Carolina.