The cease - fire expired at noon Sunday . ( CNN ) -- Ukrainian President Petro Poroshenko said early Tuesday that his country will not renew a cease-fire with pro-Russian separatists , vowing instead `` we will advance , and we will liberate our land . '' Poroshenko spoke earlier in the day with Russia 's Putin and others . He says it takes all means to maintain peace .
The cease - fire expired at noon Sunday . Poroshenko spoke earlier in the day with Russia 's Putin and others . He says it takes all means to maintain peace .