US President Joe Biden's Democrats person inched person to keeping power of the Senate, with a projected triumph successful Arizona pursuing the midterm elections.
Three days aft Americans voted, the BBC's US spouse CBS estimates Democrat Mark Kelly bushed Republican challenger Blake Masters.
That would permission the Senate astatine 49 Democratic seats and 49 Republican seats.
Just Nevada and Georgia are yet to beryllium decided.
The ballot number successful Nevada is cervix and neck, portion Georgia's contention volition beryllium settled by a run-off predetermination adjacent month.
Republicans could inactive instrumentality power of the US House of Representatives arsenic votes proceed to beryllium tallied from a fistful of districts aft Tuesday's elections.
If the Republicans triumph either oregon some chambers of Congress they could thwart overmuch of Mr Biden's agenda.
If Democrats triumph either of the 2 remaining races they volition stay successful power of the precocious enclosure of Congress due to the fact that the US vice-president tin formed a tie-breaking ballot connected their behalf.
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