The latest five minute news bulletin from BBC World Service.
Members of the General Assembly are due to sign a new treaty at a meeting on Wednesday
The 7.1 magnitude earthquake caused damage in Morelos and Puebla states and Mexico State
The latest two minute news summary from BBC World Service.
Periods are a taboo in many places but for some in Tanzania first periods are celebrated (R)
Why the EU's migration policy is the most serious threat to security in Europe.
5/5 We meet the scientist running the Square kilometre Array, the world's biggest telescope
Yazidi student Aido Khiro on winning a scholarship to fulfil his grandma's last wish. (R)
Around 150 people have been killed in the 7.1 magnitude earthquake
Google future gazes with plans for a tech village in San Jose (R)
The tremor toppled buildings in the capital, with many trapped in the rubble
Earthquake kills at least 226 people and topples dozens of buildings in the capital
Rescue workers are searching for survivors of the devastating earthquake
The US Federal Reserve is likely to announce the unwinding of quantitative easing.
Rabbits infested huge swathes of the Australian countryside in the 1940s and 1950s.
Behind the bars of New York’s notorious jail, Rikers Island, inmates are learning to rap (R)
7.1 temblor topples scores of buildings, including a school in Mexico City
The world's Newsroom brings you global events as they happen
Meet the self-experimenters and scientists trying to add years to our lives
Maria Alekhina on her life after being arrested for protesting at a Moscow Cathedral
5/5 We meet the scientist running the Square kilometre Array, the world's biggest telescope (R)
Huge earthquake kills more than 200 people and topples buildings
Why the EU's migration policy is the most serious threat to security in Europe. (R)
The tie-up will lead to job losses, to be shared between the two companies
Listen live (BBC World Service homepage)
Special coverage on the lives of Syrian refugees from five cities in five days.
Maria Alekhina on her life after being arrested for protesting at a Moscow Cathedral (R)
BBC sports correspondents tell the story behind today's top sporting news, with interviews and reports from across the world.
Health issues and medical breakthroughs from around the world.
Interviews, news and analysis of the day’s global events.
Meet the self-experimenters and scientists trying to add years to our lives (R)
BBC Sport brings you all the latest stories and results from around the world.
Can China persuade North Korea to step back from its nuclear ambitions?
Could these squirming little creatures solve a global food problem?
Health issues and medical breakthroughs from around the world. (R)