Former Netanyahu Aide to Testify in Corruption Case

TEL AVIV—A confidant of Prime Minister Benjamin Netanyahu has turned state witness for the Israeli police and will testify in a corruption probe, a person familiar with the matter said Wednesday, the latest twist in a series of cases that threaten to bring down Israel’s leader.

The former director of the communications ministry under Mr. Netanyahu, Shlomo Filber, agreed to testify about whether he organized positive media coverage for the leader on a news website, the person said. Mr. Filber agreed to testify about whether...