FRANKFURT, March 10 (Reuters) – The European Central Bank plans to end asset purchases in the third quarter, it said on Thursday, accelerating its exit from extraordinary stimulus in a surprise move, as soaring inflation outweighs concerns about Russia’s shock invasion of Ukraine. Following are highlights of ECB President Christine Lagarde’s comments at a news conference after the policy meeting. IMPACT OF SANCTIONS “The financial sanctions against Russia, including the exclusion of some Russian banks from Swift, have so far not caused severe strains in money markets, or liquidity shortages in…