Killer whales off the west coast of North America have been spotted making and using tools to groom each other, the first time such behaviour has been recorded in marine mammals.

Russian drones and missiles killed at least 14 civilians and injured several dozen others in Ukraine in overnight attacks, local officials said yesterday, with nine deaths reported in the capital, Kyiv, where an apartment building partially collapsed.

Indian authorities have identified 247 victims of the June 12 Ahmedabad plane crash through DNA testing and returned 232 bodies to their families so far.

A Palestinian activist who was detained in the US for more than three months pushed his infant son&s stroller with one hand and cheered as he was welcomed home by supporters including US representative Alexandria Ocasio-Cortez.