Record of events: Slightly intermitent fire by enemy mortar & artillery. Located enemy artillery positions and took azmuith reading and time of muzzle blast & time of flight, and reported it to higher headquarters. Our second platoon was ordered to withdraw to rear positions due to air mission. On completion of mission they moved to original positions. The attack was to have followed the air mission but it was called off. Staying in our present location. 204mm mortar from enemy hit a tree causing two casualties.