Right-wing prime minister tells economic conference in Qatar that Russian invasion was result of 'failed diplomacy' and that Europe needs a new security accord with Moscow

Josep Borrell suggests Putin 'cannot afford bluffing' and says those backing Ukraine -- including NATO and the US -- 'are not bluffing neither'

Foreign policy chief Borrel says deliberate disruption of European energy infrastructure utterly unacceptable; European Council says gas line damage is attempt at destabilization