The first shipment of ammunition from a Czech initiative has arrived in Ukraine, Prime Minister Petr Fiala said in a post on social media platform X on Tuesday.

The Czech Republic has led an effort to buy ammunition, with funding from NATO allies, to make up for the shortage on the frontlines with Russia.

"The first shipment of ammunition from our initiative arrived in Ukraine some time ago," Fiala said on X. "We are doing what it takes."

The Czechs said in May that the first 50,000 to 100,000 artillery shells would reach Ukraine in June.