The agreement followed concerns that continued clashes would undermine the deal to end the war between the US and Iran.

The highly public exchange is an indication that their earlier close ties have frayed since Trump's decision to go to war with Iran.

More than eight million South Africans are living with HIV – the highest number of any country in the world.

US supporters were delighted after their team won 2-0 against the Socceroos while Australian fans were left disappointed but still hopeful.

Ukraine has denounced the move, calling it a "strategic mistake" and "disrespectful".

The leaders have asked for apologies from the countries that benefited from the slave trade, as well as debt relief and financial compensation.