Two people died when the balloon burst into flames near the Teotihuacán archaeological site on 1 April.
A wall of snow hit a group near Mont Blanc in south-eastern France.
The talks in Yemen could mean that the eight-year war is coming to an end.
Maia and Rina Dee, originally from the UK, were shot dead in a suspected Palestinian attack.
The US says it is "monitoring Beijing's actions" as China's military drills round Taiwan continue.
The French president urges his Chinese counterpart to use his influence to end the Ukraine war.
A man armed with a hatchet forced his way into a kindergarten in the city of Blumenau in southern Brazil.
The head of the UN demands the order be revoked, saying women are essential to its operations.
The former president is accused of falsifying business records relating to a hush money payment.
Darya Trepova is remanded in custody until 2 June for the killing of pro-war blogger Vladlen Tatarsky.