Eight-year-old Martina Harrington was walking by a river with her family yesterday, when a crocodile grabbed her and pulled her into the water. Her quick-thinking brother Paul, aged five, grabbed the crocodile by the tail. The crocodile then threw up its head to see what was holding it, and as it did this it opaned its month. The gave Martina the cnance from the crocodile's jaws. The children's father then killed the crocodile with an axe. 'Paul was very brave,' said a local police offcer, 'and Martina was very lucky.'