Italy’s Foreign Ministry summoned U.S. Ambassador John Phillips regarding press reports that former Prime Minister Silvio Berlusconi was spied on during his last term as head of the government.

Italy wants clarification about reports Berlusconi and some of his aides’ phones were tapped in 2011, the Ministry said in an e-mailed statement.

Italian newspaper la Repubblica and weekly magazine L’Espresso reported Tuesday on Wikileaks files that allegedly show the U.S. National Security Agency was spying on Berlusconi from 2008 to 2011.

Renato Brunetta, head of Berlusconi’s Forza Italia lawmakers in the Chamber of Deputies, called on the government led by Prime Minister Matteo Renzi to inform the Italian Parliament about the alleged spying.

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