 The buoy tender <unk> Oak and <unk> <unk> ( T @-@ ARS @-@ 51 ) were on scene by 18 January to assess damage to the port and work to reopen it , and by 21 January one pier at the Port @-@ au @-@ Prince seaport was functional , <unk> humanitarian aid , and a road had been repaired to make transport into the city easier . In an interview on 21 January , Leo <unk> , Haiti 's ambassador to the UN , said that he expected the port to be fully functional again within two weeks . 
