I was heading back home from tuition class when suddenly, I heard the screeching of car brakes and a distant thud. I stopped in my tracks. What was that? I listened. I didn't hear anything else. I glanced at my watch. 6:38 pm. I looked up and down the street. Why didn't anyone else hear that? I had to do something. I turned to the direction of the crash and saw a column of smoke rising behind a couple of buildings. I turned and started running in the direction of the crash. I ran for two blocks and then realized