"For my part, I put myself at the full disposal of the authorities," said Ebrard, considered among the possible ruling party candidates for the 2024 presidential election.
There was no official confirmation of the number of casualties following the accident in the south of the capital, where emergency services were seen working to rescue victims.
The authorities should ensure water conservation, availability of uninterrupted power supply, availability of standby generators in heatstroke centres/ hospitals.