Two persons were injured on Saturday morning when there was a blast in the septic tank of a toilet in Dharavi area here, civic officials said.
The incident took place in Prem Nagar locality near LBS Marg around 8.30 am.
Chandrashekhar Jaiswal (28) and Mujib Shaikh (29), who were injured in the blast, were admitted to government-run Sion hospital, officials said.
It was suspected that the explosion took place due to accumulation of gases inside the tank, they said.