Sen. Charles SchumerCharles (Chuck) Ellis SchumerCan Mueller be more honest than his colleagues? Throwing some cold water on all of the Korean summit optimism House Republicans push Mulvaney, Trump to rescind Gateway funds MORE (D-N.Y.) said he was "horrified " at celebrations in Libya that greeted the return of the Lockerbie bomber.

He also said the U.S. should introduce a resolution at the United Nations condemning the celebrations, and called for an investigation into whether the release of the bomber was related to oil contracts between Libya and Great Britain.

"That would be despicable," he said.

British officials have said there was no link between the release of the bomber and business between the two countries.

Schumer said Secretary of State Hillary Rodham Clinton should all for Libyan leader Moammar Gaddafi to apologize for the celerations that greeted the return of Abdel Basset Ali al-Megrahi.