Former diplomatic correspondent. This page is no longer updated.
The Eastern Mediterranean tinderbox
The Hong Kong crisis and the new world order
What's going on between Russia, US and Afghanistan?
Why the Civil War casts a great shadow over the US
Five of the world's other looming crises
War of words raises fresh fears of US-Iran Gulf clash
Pandemic fact v pandemic fiction?
Coronavirus: A ticking time-bomb for the Middle East
US-China contagion: The battle behind the scenes
Five things the military can do during a pandemic
How Russia's Putin became the go-to man on Syria
Syria war: Brutal endgame in Idlib risks spilling over
The potential diplomatic impact of coronavirus
Why is global defence spending on the rise?
Iran nuclear deal: Dead or just dying?
Five reasons why the US-Iran crisis is not over
Is there more to come from Iran?
Is the Iran nuclear deal dead and buried?
Turkey risks falling deeper into Libya conflict
Troubled Nato not in party mood for 70th birthday
Israel's strikes in Syria risk broad conflict with Iran
US-Russia surveillance flights treaty under threat
Russia and Turkey on same page - but for how long?
What did the Kurds ever do for the US?