This was reported by Kyiv Mayor Vitaliy Klitschko.
Humanitarian aid collected by citizens of Latvia also travels in buses.
The mayor of Kyiv reminded that Latvia had previously handed over 11 buses with humanitarian aid - all vehicles ply the streets of the capital.
See also:
The European Union will purchase 120 school buses for Ukrainian students
In Kyiv, instead of modern buses, used ones from Germany were put on the routes