The accident was reported around 11:30 a.m. from New Krishna Park in Vikaspuri area west Delhi.
"Meena, 6, Gyan, 6, and Chandani, 2, were playing near a construction site when a wall suddenly collapsed on them," said a senior police officer.
They were taken to the Deen Dayal Upadhyay Hospital where doctors declared Meena and Gyan dead while Chandani is undergoing treatment.
Deccan Herald is on WhatsApp Channels | Join now for Breaking News & Editor's Picks