QUICK HITS

1 States sue USPS: Sixteen states and two environmental groups are suing the U.S. Postal Service to block its purchase of 148,000 delivery trucks over the next decade. The suits brought by Earthjustice and the Natural Resources Defense Council contend the mail service relied on faulty assumptions and miscalculations to justify spending as much as $11.3 billion on gas-powered vehicles.

Okla. to enact abortion ban:

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The Oklahoma House gave final approval to an abortion ban that prohibits the procedure after about six weeks of pregnancy, before many women know they are pregnant. The bill approved by the House on a 68-12 vote now heads to Gov. Kevin Stitt, who is expected to sign it within days.

Mystery disease killing horses: 3

A federal wild horse facility in Colorado is under quarantine and veterinarians are conducting tests after at least 85 horses died from an “unknown yet highly contagious” disease, the Bureau of Land Management said. The bureau, in charge of caring for the nation’s wild horses, said 57 had died since the outbreak began over the weekend in Cañon City. By Wednesday evening, 28 more deaths were recorded.

Ambassador to plead: Richard 4

Olson, a retired U.S. ambassador to Pakistan and the United Arab Emirates, said he would plead guilty to charges of illegally lobbying for the government of Qatar and failure to disclose gifts he received while ambassador.

Tensions between Afghanistan,

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Iran: An Afghan immigrant walked into one of the holiest shrines in Iran this month, Iranian media reported, drew a knife and stabbed three clerics, killing two. The stabbings at the Imam Reza Shrine in Mashhad set off a chain of events that has spiraled into a diplomatic crisis between the countries. Both sent troops to their common border.