Thirty buses are en route to the besieged Ukrainian city of Mariupol to collect evacuees via a humanitarian corridor to Ukraine-controlled territory, deputy prime minister Iryna Vereshchuk said on television on Tuesday.
There were signs Russian forces were firing in the direction of a route for humanitarian aid, she added, without providing further details.
(Reporting by Pavel Polityuk, Writing by Alessandra Prentice, Editing by Timothy Heritage)
