A debate between the top Republican candidates in the 2016 presidential election begins with a fiery exchange of verbal punches.

Colorado has temporarily suspended taxes on marijuana after the US state brought in more tax revenue than anticipated.

About 330 fighters from the Islamic State group are estimated to have been killed as a result of RAF air strikes in the past year, the defence secretary says.

Small UK firms are split over whether to stay in the European Union or not, according to a survey of thousands of businesses.

A powerful 8.3 magnitude earthquake hits central Chile, causing buildings to sway in the capital Santiago and prompting officials to issue a tsunami alert.

The National Union of Students is being urged by ministers to support the government's counter-radicalisation programme, Prevent.

A move by rebels in Ukraine to hold elections poses a "great danger" to the peace process, President Poroshenko warns, as he announces sanctions.

Scottish Secretary David Mundell is to accuse Nicola Sturgeon of setting aside the "sovereign will" of the Scottish people over a second independence referendum.