BBC World Service - Newshour

Boko Haram pledges allegiance to IS

Nigeria govt reacts to Boko Haram announcement; Annie Lennox on feminism

President Obama gives keynote speech in Selma; Boko Haram swears fealty to Islamic State

Will China really tackle pollution?; Selma march anniversary; Bollywood's 3 musketeers

Fighting Islamic State; Female serial killers; NASA dwarf planet probe

EU foreign ministers talk Ukraine; More women in business?; Challenging Icarus

Liberia releases last known Ebola patient; Alabama gay rights; birdsong beats

UN Syria envoy on Aleppo; 'India's Daughter' filmmaker; South American bird music.

Boston bomber's lawyer admits guilt;Syrian Air Force building attacked;NFL brain injuries

Many dead at coal mine, Boston bombing trial, France smacking debate, Ishiguro's new book

Israeli PM warns of Iran threat; the making of a double agent; UK's crumbling parliament