Gavin Grey: UK correspondent on the UK boosting defence spending - Heather du Plessis-Allan Drive

The UK and its NATO allies have agreed to increase spending on defence and related areas to 5 percent of GDP by 2035. 

Ambassadors of all 32 alliance member states signed off on the new spending pledge ahead of a major summit of leaders.

UK correspondent Gavin Grey explains further.

LISTEN ABOVE

See omnystudio.com/listener for privacy information.