Biden arrives in Iowa to unveil plan to reduce gas prices amid soaring inflation – as it happened

We’re closing the US politics blog now, following Joe Biden’s announcement in Iowa seeking to lower gas prices amid the nation’s worst inflation crisis in more than 40 years.

The president said the move to allow sales of higher ethanol E15 gasoline this summer, following the relaxing of federal laws, could save families 10 cents a gallon, although the fuel will not be widely available nationwide.

Thanks for joining us today. Our live blog on the New York subway shooting will continue for a while here, and you can follow developments in the Ukraine-Russia war on our 24-hour live blog here.

Here’s where else our day went:
 

• Biden and British prime minister Boris Johnson spoke by phone to assert their joint commitment to support Ukraine with humanitarian aid and military equipment.
• Biden was briefed on the New York subway shooting before he boarded Air Force One to Iowa, with press secretary Jen Psaki tweeting that senior administration officials are offering local authorities their support.