Democrat Hillary Clinton won the District of Columbia primary on Tuesday, capturing the party's last presidential nominating contest.
With the US reeling in the aftermath of a mass shooting, a US senator introduces legislation that would bar people convicted of hate crimes from owning or buying firearms.
The Islamic State (IS) group hailed the gunman behind the attack on a gay nightclub in Florida as a "soldier of caliphate," according to a bulletin over the group's Al-Bayan radio on Monday.
People in shock after Florida nightclub shooting
"Rauschenberg in China", the retrospective solo exhibition of American artist Robert Rauschenberg is unveiled at The Ullens Center for Contemporary Art (UCCA) in Beijing.
No Chinese national has been found among the victims of the Florida nightclub mass shooting so far, the Chinese Consulate-General in Houston said Sunday.
The United States, with 90 vessels, will have the largest representation at the 66th Hemingway International Billfishing Tournament on June 13-18 in Cuba, organizers confirmed on Sunday.
Obama described the worst mass shooting in US history as "an act of terror" and "an act of hate," saying the massacre was an attack on all Americans.
It was the deadliest single mass shooting incident in US history, eclipsing the 2007 massacre of 32 people at Virginia Tech university.
A gunman shot dead about 20 people and injured 42 others in a crowded gay nightclub in Florida early on Sunday before being killed by police.
A number of people are reported to have been shot a gay nightclub in Orlando, Florida, local media said.
The construction of a record-setting 53-meter high tower building with mostly wooden material is under way on the campus of the University of British Columbia (UBC) in Vancouver, west Canada.