According to authorities, Gerhardt Konig attempted to push his wife off a hiking trail at the Pali Lookout and beat her in the head with a rock prior to his arrest.

A hiker in Hawaii has been arrested after he allegedly attempted to murder his wife on a hiking trail. Dr Gerhardt Konig, 46, was hiking with his wife, Arielle Konig, near the Pali Lookout in O'ahu, when the Honolulu Police Department said he struck her over the head with a rock and attempted to push her off the trail,