Harding escalated his fight against EOKA organizing a series of operations in April–July Harding also upgraded his intelligence network including the creation of the notorious X-platoon. On May 10 the first two EOKA prisoners were hanged and Grivas responded with the execution of two British soldiers. The British were concerned to counter EOKA's mountain units. Large scale operations were launched however Grivas managed to escape. He decided to move to Limassol where he established his new headquarters. Although Grivas escaped, the Troodos operations had some success for the British: 20 guerrillas and 50 weapons were captured. However, they ended up with a disaster: at least 7 British soldiers were killed and additionally 21 were burned to death by accident. The last incident overshadowed the first real success against the EOKA guerrilla forces.