After Russia vetoed Estonia's bid for the OSCE presidency, Malta is set to take over the role of the European security grouping's rotating chairmanship.

"One day the war in Ukraine will end and Russia and the West will need to reduce tensions, negotiate new arms control agreements and put European security architecture back together," Jamie Shea, a senior fellow at the Brussels-based think tank Friends of Europe, said: "The OSCE will come back as the forum where this bridge building will need to take place."