A brave young quad amputee has climbed to the top of a 2,280ft (694 m) mountain to help raise money for others with missing limbs. Luke Mortimer, 11, felt “proud” to have summited Pen-y-ghent – one of The Yorkshire Three Peaks – after he completed his “monumental” ascent on Saturday (June 29). He reached the top ahead of his dad, Adam Mortimer, 50, who was aiming to climb six of Britain’s highest mountains with 18 other hikers in just 48 hours for charity. Speaking about his achievement, which took roughly three hours, Luke said he was “relieved” to conquer the pinnacle. He said: “I feel so pr…