A meeting of G-7 foreign ministers are discussing new sanctions on Syrian and Russian military figures, Boris Johnson has confirmed.

The Foreign Secretary said the "game has changed" ahead of a meeting with his counterparts in Italy, where ministers will demand that Vladimir Putin remove his troops from Syria and drop his backing for the Syrian president.

Renewed international focus Syria follows an American air strike ordered by Donald Trump, which saw 59 Tomahawk missiles hit the al-Shayrat air base near the city of Homs.