A third person was also injured as a result of the collision, police later confirmed.
The person was not seriously injured, and was described as "walking wounded" by Northern Constabulary.
More top news
PM spokesman's comments come following reports that the EU is secretly drawing up plans for greater military cooperation across the EU.
The Labour politicians put their alleged differences aside to jointly highlight how remaining in the EU could help fight climate change.
Late sunshine here and there this evening - but more cloud for southern Scotland, northern England and Northern Ireland again.