They will have microwave sensors, LTA said.
The fire involved the contents of a charcoal stove inside a unit on the sixth floor.
The leak occurred at around 5.30am and was stopped at around 3pm.
He eventually noticed the CCTV camera.
The victim's brother was knocked into a drain on impact.
Three elderly men reportedly live in the unit the fire broke out in.
The vice-principal's now scrubbed LinkedIn page showed that he has been a vice-principal for over 9 years.
The hawker opened his first stall in 1992.
The accident involved 3 cars and 3 motorcycles.
"You are so ugly, go away," the woman cried.