This evening rained heavily. Most of the roads were flooded and most of us were trapped on the road, bumper to bumper. I stopped at the traffic light at the junction in front of subang parade and maybank. I was the first car and there were many cars behind me. Then, there was this siren sounded from far. I tried to find the direction of the siren and found an ambulance was at the end of the cars behind me. I drove forward slowly, into the yellow box of the cross junction. The cars from opposite lane were still crossing the junction and I couldn't go further. But the car behind me kept on horning - either he was trying to gain attention of the cars at the opposite lane, or he was trying to "force" me drive forward. Anyway, I ignored it because I couldn't drive forward when the cars were driving fast to cross the junction. Then, the cars on left lane started to move to their left and the ambulance managed to get over some cars. While the traffic light tu...