President Donald Trump‘s approval rating has sunk to 33%, marking a new low for the Republican as voters worry the U.S. war with Iran may last even longer.

The latest Reuters-Ipsos poll, released on Monday, shows Trump fell 2 points lower than the pollster’s prior survey earlier this month. He now has a 31-point difference between his approval and disapproval ratings, compared to the last poll’s 28-point gap.

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