Nine people have been killed in a mass shooting in Dayton, Ohio, police say, adding that the assailant was also shot dead by responding officers.

Donald Trump's newest campaign ad begins with a warning: "In Hillary Clinton's America, the system stays rigged against Americans."

Solar Impulse has landed in the US state of Ohio following the 12th stage of its circumnavigation of the globe.

Eight people are found dead at four crime scenes in rural Ohio of US, and most of them are shot to death, authorities say. No arrests had been announced, and it's unclear if the killer or killers are among the dead.

The UN High Commissioner for Human Rights condemns the policies of US Republican presidential front-runner Donald Trump, equating them to bigotry.

The race for the Republican presidential nomination continues after Donald Trump wins a decisive victory in the key state of Florida but lost to John Kasich in Ohio.

A gorilla just about his size decides he had enough sitting and begins to play peek-a-boo with his visitor.

While some tech companies have their sights set on commercial deliveries by drone, the black market is already one step ahead.