French citizens urged to avoid travelling to Niger if possible as reserve attack raises questions over troop deployment.
Russia has approved the first vaccine against COVID-19 but many governments are sceptical.
Michelle Bachelet's remarks come as hundreds of women in Minsk protest against post-election violent clampdown.
A former head of Mexico's state oil company has implicated former President Enrique Pena Nieto and his then-Finance Minister Luis Videgaray.
'Historic day for Indian community', Harris's uncle cheers from India as US Democrats make appeal to people of colour.
Despite rising coronavirus cases, many educators are bringing children back to the classroom rather than using online technology.
