Russian Foreign Minister Sergei Lavrov has warned that Europe could be returning to what he called the “nightmare of military confrontation”. At a European security conference in Sweden, Mr Lavrov floated the idea of a new European security pact to try to stop Nato from expanding further east. US Secretary of State Antony Blinken warned of “serious consequences” if Russia sought conflict with Ukraine. The meeting comes as Russia boosts its military near Ukraine’s border.  Ukraine says Russia has amassed more than 90,000 troops there. Moscow denies it is preparing an attack on Ukraine and accuses Kyiv of its own military build-up.(BBC)…[+]