 Complete the following phrase:  Over the night of 23 April 1946, there were several attacks on railway installations around the country. One at Yibna occurred at the same time as a patrol from the 9th Parachute Battalion was entering the village. The patrols leading two vehicles exploded mines that had been laid on a bridge, wounding three men. At daylight the tracks of around 30 men were found, and a section from the 8th Parachute Battalion eventually cornered 24 armed men. In the firefight that followed, 14 of them were wounded and the remainder surrendered, with no British casualties. On 29 June Operation Agatha started; the brigade had been rotated to cover the south of Palestine, and were to search for arms and arrest any members of the Palmach in Givat Brenner and Noar Oved. On 22 July the 