While fleeing from the crime scene, his two associates made off with the phone after leaving the disabled man behind.
When the firefighters arrived and tried to douse the flames, there was a blast in the first floor of the building that stored the chemicals resulting in injuries of two that were doing their job.
A new and much broader channel has been opened through which the river now flows.
The DJB, which had undertaken the work, has said that the project was stalled due to some local problems.
The impact of the collision was such that the bonnet of the car, in which the property dealer, his driver, and wife were travelling in, was severely mangled.