At least 4 people were killed and 20 were injured at a local birthday celebration in the US state of Alabama.
A short while after confirming the attack, Louisville Metro Police Department said the shooter was dead.
First female US vice president makes her first stop in Ghana, where she is expected to meet President Nana Akufo-Addo and visit a former castle linked to US slave trade before heading to Tanzania and Zambia.
Trump's post about his arrest sparked a media frenzy and led to warnings from Democrats that his call for demonstrations could trigger a repeat of the violence his supporters unleashed at the US Capitol on January 6, 2021.
Family and friends of Nichols gather in Memphis church to pay their final respects to Black 29-year-old father whose fatal beating by police last month transformed him into new face of US racial justice movement.
Black man Nichols will be eulogised by Reverend Al Sharpton while family members of Breonna Taylor and George Floyd, who were killed by police in Louisville, Kentucky, and Minneapolis in 2020, will also attend funeral.
The US vice president is scheduled to make a stopover on Tuesday on an island near the disputed South China Sea.
Japanese Prime Minister Fumio Kishida says North Korea has "repeated its provocations with unprecedented frequency", while the White House says it will coordinate with regional leaders on the missile test.
The US vice president says America's commitment to South Korea's defence is "ironclad", adding that the allies are "aligned" in their response to North's weapons programmes.
The US vice-president's trip to Japan, Washington's closest regional ally, is meant to "reassure allies" and "deter any escalation".
The move is likely to spark an angry reaction from North Korea, which denounced US House Speaker Nancy Pelosi as the "worst destroyer of international peace" when she visited the DMZ in August.
Pyongyang fires a short-range ballistic missile toward its eastern seas, Seoul says, as US aircraft carrier visits South Korea for joint military exercises.
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