Poland has given Ukraine 18 AHS Krab self-propelled howitzers, Polish public radio reported citing a government source.
The Radio Information Agency (IAR), which supplies news to Polish public radio, reported that Poland had also trained about 100 Ukrainian artillerymen to operate the howitzers.
The AHS Krab has a maximum firing range of 40 kilometres.
A Polish government spokesman and the Ukrainian Defence Ministry did not immediately respond to requests for comment.
