An agent of the Federal Bureau of Investigation was shot and killed Thursday during a bank robbery in the US state of New Jersey, media reports said, according to dpa. The FBI agent, who was not being identified pending notification of family members, was involved in an investigation of a series of bank robberies. He was shot by robbers across from a PNC bank in Readington, the Newark Star-Ledger newspaper reported online. Police have arrested two suspects in the case, but two suspects were still be sought, the newspaper reported.