this is bbc world news, the headlines: on their way to safety — civilians flee the besieged southern ukrainian city of mariupol but 160,000 people are estimated to be trapped inside. the red cross renew their evacuation attempts afterfailing on friday. police in sri lanka declare a 36—hour curfew across the country to try to head off planned anti—government protests. the country is in the midst of a major economic crisis. shops reopen under tight security in the capital, colombo. hollywood actor will smith resigns from the oscars academy after slapping comedian chris rock on stage during last sunday's ceremony. the academy says it accepts smith's resignation and would continue to move forward with their own disciplinary proceedings.