Several shoppers were seen fleeing the premises or seeking refuge in nearby restaurants and shops in a state of fear and panic after reports of over ten gunshots.
Singh had ingested around 60 assorted items, ranging from lockets, chains, nuts, bolts, earphones, safety pins, magnets, shirt buttons, zips, and various other non-edible objects.
The doctor allegedly switched on the air conditioner before sleeping on Saturday night, and both the children were found dead the next morning at the unit when their families went to see them.
The MET department has forecast a 90 percent chance of rain in Colombo on Sunday, prompting the Asian Cricket Council (ACC) to designate a reserve day for the game on Monday.