Orkney beach is thought to have died after becoming entangled in rope.We told how the orca was discovered washed up on Papa Westray on Monday.It was recovered by the Scottish Marine Animals Stranding Scheme (SMASS), who performed a post-mortem to find out its apparent cause of death.They discovered the juvenile whale's most likely cause of death was drowning after becoming entangled in rope which could have came from fishing gear.The male was identified as one which regularly visits Shetland as