"We bought all the shells available ... Terrorists are seeking these missiles on the black market, offering a price of around $5,000 per warhead," General Marek Dukaczewski, head of army intelligence, told a news conference.He
said there was no evidence any shells had ended up in militants' hands.
Poland said its soldiers found 17 Grad rockets and two mortar shells in late June and that U.S. experts had carried out tests on the weapons.
"Tests conducted showed that there was cyclosarin in the rocket heads," said Dukaczewski