Reuters US Domestic News Summary

Following is a summary of current US domestic news briefs.

In less than a minute, Ohio gunman kills nine people, including sister

A gunman wearing body armor and a mask opened fire in a crowded Dayton, Ohio neighborhood known for its night life early on Sunday, killing nine people including his sister and wounding at least 27, authorities said, in the second deadly U.S. mass shooting in less than a day. Police officers on routine patrol nearby were on the scene in less than a minute and shot the attacker dead moments after he opened fire, likely preventing a much higher casualty toll, authorities said.

With Puerto Rico leader set to quit, successor still unknown

With only hours before Puerto Rico's disgraced governor was set to step down on Friday, the bankrupt U.S. territory still did not know who would succeed him. Over a week ago, Governor Ricardó Rossello bowed to 12 days of mass protests sparked by offensive chat messages and said he would resign at 5 p.m. on Friday.

U.S. Senate leader McConnell fractures shoulder in fall

U.S. Senate Majority Leader Mitch McConnell fell at his home in Kentucky on Sunday and fractured his shoulder, a spokesman said. "This morning, Leader McConnell tripped at home on his outside patio and suffered a fractured shoulder. He has been treated, released, and is working from home in Louisville," McConnell spokesman David Popp said in a statement.

Texas police seek clues to explain Walmart shooting that killed 20

Police and FBI investigators in Texas searched for clues on Sunday to explain what drove a young gunman from the Dallas area to kill 20 people at a Walmart store hundreds of miles away in the border city of El Paso. Texas Governor Greg Abbott said Saturday morning's rampage appeared to be a hate crime, and police cited a "manifesto" they attributed to the suspect as evidence that the bloodshed was racially motivated.

Biden mounts fierce defense of Obama legacy after debate attacks

Democratic presidential front-runner and former U.S. Vice President Joe Biden mounted a fierce defense of Barack Obama's legacy on Saturday after several of his White House rivals attacked that record in debates this week. Biden, appearing at a union forum in Nevada with 18 Democratic rivals, appeared fired up as he forcefully defended former U.S. Democratic President Obama and his signature legislative achievement, the Affordable Care Act, otherwise known as Obamacare.

Walmart says its training helped save lives in prior incident

Days before Saturday's mass shooting that killed 20 people at a Walmart Inc store in El Paso, Texas, another shooting erupted at a Walmart in Southaven, Mississippi. In that case, Walmart's mandatory "active shooter" program may have helped save lives. Employees there acted quickly when a disgruntled colleague allegedly killed two co-workers and injured a police officer.

Trump administration considers September unveiling of healthcare plan: WSJ

U.S. President Donald Trump's administration is considering unveiling, as early as September, his healthcare plan as part of his presidential re-election campaign strategy, the Wall Street Journal reported on Saturday. The plan would lay out an alternative to former President Barack Obama's Affordable Care Act, which has been challenged by Republicans in court, and could include coverage for people with pre-existing conditions and a variety of insurance options, the Wall Street Journal said, citing unnamed sources.

One killed, at least three hurt after bluff collapses onto California beach

A woman was killed and at least several other people hurt on Friday when a chunk of a sandstone bluff overlooking a Southern California beach collapsed onto them, local police and fire officials said. One person suffered critical injuries when the slab of rock and debris fell onto Grandview Surf Beach in Encinitas, north of San Diego, shortly before 3 p.m., Captain Larry Giles of the city's Lifeguard Department said.