PETALING JAYA: The Badminton World Federation (BWF) said improvements have been made following complaints from players over unhealthy conditions at the ongoing Indian Open in New Delhi. 

Denmark's singles shuttlers Anders Antonsen and Mia Blichfeldt had raised concerns regarding the air pollution in Delhi and the dirty conditions in the warm up area at the Indira Gandhi Sports Complex. Bird droppings were also reportedly spotted in the area.