Pro-hartal activists set the fire on Dhaka-Mymensingh highway by pouring petrol in Gazipur area on Wednesday. New Nation Published: 12:00 AM, 19 February 2015 Updated: 7:35 AM, 24 September 2022 Pro-hartal activists set the fire on Dhaka-Mymensingh highway by pouring petrol in Gazipur area on Wednesday. .