Richard Lugar: Former US Republican senator dies aged 87

Former US republican senator, Richard Lugar has died at age 87.

His non-profit organisation says the Indiana’s longest serving senator died of complications from an illness which attacks nerves.

He served in the senate from 1977 till 2013 when he was defeated in a primary by a tea party-backed candidate.

Lugar was well known as an authoritative voice on US foreign policy.