First came the screeching of tyres. Then, he heard a loud bang, followed by screams.
From his ninth-storey flat, Mr Ahmad Sarhan looked out and what he saw yesterday afternoon shocked him.
At the traffic light junction beside Christ Church Secondary School in Woodlands was a silver Nissan lorry. Several metres away, a girl sat on the road divider while another lay face-up in the middle of the road.
The girls were crossing the road when they were knocked down by the lorry.