More than 500 flights were delayed, and at least 14 flights were cancelled at the Delhi airport due to bad weather and low visibility conditions.

As Delhi-NCR’s toxic air sparks warnings for children, the elderly and those with respiratory illness, veterinarians and animal welfare groups are flagging a quieter crisis unfolding among pets and stray animals.

The BBC revisits one-year-old Siwar Ashour who was temporarily evacuated to Jordan for medical treatment during the Gaza war. 

​The BBC revisits one-year-old Siwar Ashour who was temporarily evacuated to Jordan for medical treatment during the Gaza war.