Pentagon leak suspect close to being caught, says Joe Biden

Major investigation is tracking down man known as OG who is thought to be behind exposure of hundreds of secret documents

US authorities are close to catching the leaker responsible for causing a major security breach by circulating hundreds of secret documents, Joe Biden has said.

Speaking to reporters outside the Irish president’s residence, where he is on an official visit, Biden said: “There’s a full-blown investigation going on, as you know, with the intelligence community and the justice department, and they’re getting close.”