A British man taking an early morning walk at the Singapore Botanic Gardens said he was attacked by a pack of wild otters, leaving him with 26 wounds on his buttocks, legs and fingers.Graham Spencer, in his 60s, was on his usual 6am walk in the gardens on November 30, when a “convoy” of about 20 otters ambushed him, causing him to fall, and trampled and bit him.Spencer escaped when his friend ran over to scream at the otters and pulled him away.The whole process was 10 or 12 seconds … I…