What is the dart frog toxin allegedly used to kill Alexei Navalny?
The toxin, epibatidine, can be found in frogs in the wild in South America or manufactured in a lab.
US boards second tanker in Indian Ocean after tracking it from Caribbean
The US accuses the Veronica III of violating a "quarantine" on oil shipments from Venezuela.
Eleven killed in Israeli strikes on Gaza, rescuers say
The Palestinian Red Crescent say a strike on a tent encampment in northern Gaza killed at least six people.
Ukraine's ex-energy minister detained while attempting to leave country
His detention comes as he faces legal proceedings after being dismissed in a corruption scandal.
Hundreds of thousands join Iran protests around the world
Munich, Los Angeles, and Toronto saw the largest crowds, with smaller rallies also taking place in Tel Aviv and...
China confirms visa-free travel for UK and Canadian nationals
Relaxed visa rules for British and Canadian passport holders will come into force on 17 February.
Can India reset ties with a BNP-led government
In a message posted in Bengali, Prime Minister Narendra Modi congratulated BNP leader Tarique Rahman, the 60-year-old dynast, on...
Russian 'pick-up artist' accused of secretly filming women in Ghana
Ghana has called on Russia to extradite the man, who is accused of recording sexual encounters without consent.
Iran ready to consider compromises to reach nuclear deal, minister tells BBC in Tehran
But in an interview with the BBC in Tehran, Majid Takht-Ravanchi, Iran's deputy foreign minister, said the ball was...
Motorbike raids on villages kill at least 30 in Nigeria
Assailants shot dead or cut the throats of their victims, lit homes on fire and abducted multiple people in...
