An 11-year-old girl from Sierra Leone was remarkably rescued after three days at sea as the sole survivor of a shipwreck off Italy's Lampedusa island, a rescue charity said.br br Germany's CompassCollective said crew on its vessel were en route to another emergency when they heard shouting from the water and picked up the girl around 3 a.m. wearing a life jacket and hanging on to a pair of tyre tubes.br br She told them she had set off from the Tunisian city of Sfax in a metal boat carrying 45 people that sank in a storm.