Two Republicans in tight US Senate races have called for a swift end to the war in Iran, the latest sign that vulnerable candidates are trying to put some distance between themselves and President Donald Trump over a conflict that has pushed up fuel prices, including a surge in diesel to record highs, Reuters reports.

Both Mike Rogers, locked in a competitive race against Democrat Abdul El-Sayed in Michigan, and Ashley Hinson, who is facing Democrat Josh Turek in a close contest in Iowa, struck a more dovish tone on Iran, after previously backing Trump’s authority to strike Tehran.

The shift was particularly notable for Hinson, a sitting member of the US House of Representatives, who has voted six times against House measures seeking to curb Trump’s authority to continue the war, including as recently as last week.

“Iowans are being squeezed and shouldnt have to foot the bill at the pump or the checkout line for the war in Iran, Hinson wrote on social media, while calling for a suspension of gasoline taxes, a pause in diesel exports and other measures, and for the war “to be brought to a successful and immediate end.”