The Delhi Police confirmed that one male and a female have been killed in the incident. She blamed the Delhi government for poor maintenance of the landfill site, which is spread across 70 acres. Five people have been rescued so far.
More cars are also reportedly stuck under the debris.
Ranbir Singh, EDMC Commissioner, said: "Reason of the incident can be ascertained only after investigation".
Police brought in large cranes to clear the trash as they launched a rescue operation.