Sumner Redstone seeks to dismiss lawsuit by Viacom CEO

BOSTON – Lawyers for Sumner Redstone are asking a Massachusetts court to toss out a lawsuit alleging the media mogul wasn’t mentally competent when he removed two trustees of entities that control Viacom Inc. and CBS Corp.

Redstone’s attorneys filed a motion to dismiss the lawsuit Monday, saying Redstone hasn’t been deemed incompetent by a court or by medical doctors.

Viacom chief executive Philippe Dauman and board member George Abrams sued Redstone last month after they were stripped of their roles as trustees.

Their lawsuit alleges the 93-year-old Redstone was not mentally competent when he removed them and that Redstone is being manipulated by his once-estranged daughter, Shari Redstone.

A spokesman for Dauman and Abrams said in a statement the motion represents “continued efforts to avoid a fair inquiry into Sumner’s well-being.”