Nigerian schoolgirls released

Hundreds of schoolgirls abducted by gunmen in Nigeria's north-western Zamfara state have been released. The girls were abducted last Friday and taken to a forest, according to police. Also in the programme: Singapore's Prime Minister calls for Myanmar's military junta to release Aung San Suu Kyi; and the environmental price of mining Bitcoin. Photo: Abducted Nigerian schools following their release. Credit: Reuters