A U.S. House of Representatives investigative panel said it plans to hold a 2016 hearing on skyrocketing drug costs, a move that comes at a time when Valeant Pharmaceuticals International is facing increased scrutiny into its pricing practices.

CIA Director John Brennan warned on Monday that the attacks in Paris claimed by the extremist Islamic State movement were not a “one-off event” and that the militants may have similar operations ready to launch.

Niger opposition leader Hama Amadou was arrested when he flew in to the capital on Saturday as security forces blocked off the airport, a year after he fled the country when sought by investigators probing a child trafficking ring.