WARSAW, July 10 (Xinhua) -- Polish Prime Minister Donald Tusk said Thursday that President Lech Kaczynski declared his support for Polish government negotiations on U.S. plans to build an anti-missile shield in Poland after hearing Tusk's arguments at a meeting on Wednesday night.

    The meeting, lasting over two hours, was held on Kaczynski's initiative, according to Polish news agency PAP.

    "The president has always presented himself as an advocate or even an enthusiast of the anti-missile shield and in this sense he believed everything should be done to install 10 U.S. interceptors in Poland. The president attached lesser importance to terms which, in our opinion, should be met by the U.S.," Tusk said.

    He added that after the meeting he had the impression that the president "understood and accepted" the fact that Poland should set security conditions.

    Tusk underlined that the agreement on anti-missile shield may be signed in 24 hours if the Americans correct it for the sake of Poland's security. "This is not the question of time but the question of the wording," he stressed.

    Commenting on Iran's missile tests in the Persian Gulf, Tusk said Iran had always been a problem for the whole civilized world. "Like security of other countries, Poland's security should be strengthened if Poland is to become an important element of the entire anti-missile defense system," he stressed.

    In critical situations Poland has always been ready to support its allies as far as it could. Poland is an extremely loyal partner in difficult situations," the prime minister said.

    Washington and Warsaw opened negotiations 18 months ago on placing the 10 missile interceptors in northern Poland to protect the United States and Europe from possible future attacks from Iran. Talks later became bogged down over Polish demands for more military aid.

    Warsaw has been lobbying Washington to provide a THAAD or Patriot-type air defense system in exchange for a Polish green light for hosting the silos.

    Russia objects the anti-missile shield plan, saying it will threaten Russian national security. Moscow has warned that it will target its missiles at the system if it is deployed in Poland.