Eight people were killed and several other were injured in a massive pile-up at the Rohtak-Rewari Highway in Haryana on Monday. According to latest reports, as many as 50 vehicles including trucks and cars crashed into each other leading to this terrible incident. Initial reports suggest that the accident took place due to low visibility during the foggy morning today. The North India is experiencing cold wave for some time now. In National Capital, temperature dipped to 4 degrees recently.