London - Lancashire's head coach Ashley Giles has extended his contract with the county until 2018 following the double success of winning the NatWest T20 Blast and securing championship promotion during his first summer. Giles' assistants, Mark Chilton and Glen Chapple, have also signed new deals which run until 2018. "I'm delighted that we've been offered the opportunity to commit our futures to the club until the end of 2018," Giles said. "I've thoroughly enjoyed my first 18 months at Lancashire and feel extremely lucky to have such a strong coaching team around me.”