Israeli Prime Minister Benjamin Netanyahu was grilled by police investigators for over three hours at his office Monday night, opening what could be a politically damaging criminal investigation into suspicions that he improperly accepted gifts. Netanyahu has repeatedly denied wrongdoing, but the arrival of the national fraud squad indicated questions raised about him are considered serious enough to merit an investigation.

Israeli police are questioning Prime Minister Benjamin Netanyahu over corruption allegations, local media reported after police cars arrived at his residence Monday. The police team did not speak to journalists, but Israeli media said they are looking into suspicions that Netanyahu inappropriately accepted expensive gifts from two businessmen.