former mp, yevheniy murayev, is being considered as a future leader by the kremlin. but four others named are thought to be in moscow. it is not clear what, if any role, they could realistically play. but russia's build—up goes on. it says repeatedly, it has no plans to invade. fighter jets now flying to locations in belarus, north of ukraine. moscow says they will be carrying outjoint drills. but diplomacy also continues. friday's meeting in geneva settled nothing but the us secretary of state antony blinken has promised a written reply within days to russia's expensive demands. further talks could follow. british ministers are expected to travel to european capitals in the coming days. the defence secretary ben wallace likely to visit moscow. downing street says it plans to ramp up pressure on russia. sanctions being discussed among allies, the government says, would pierce the heart of the russian economy. paul adams, bbc news.