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  From :- BBC  World News  By :-  Emily Salley ( BBC Sport journalist) Edited by  :- Amal Udawatta Image source, Getty Images Image caption, Ronaldo Jr played in the number seven shirt that his father has famously worn throughout his career Ronaldo said he was "very proud" of his eldest son after he made his debut for Portugal Under-15s. Cristiano Ronaldo Jr came on in the 54th minute of a 4-1 win against Japan in a tournament Croatia on Tuesday. The 14-year-old was watched on by grandmother Dolores Aveiro, Ronaldo Sr's mother. It was also  reported , external  that scouts from Manchester United - a former club of Ronaldo Sr - and several other top European clubs were in attendance to watch Ronaldo Jr. Five-time Ballon d'Or winner Ronaldo Sr said on Instagram: "Congratulations on your debut for Portugal, son. Very proud of you." Rafael Cabral scored a hat-trick for Portugal before Ronaldo Jr came off the bench. Ronaldo Sr, 40, has scored 136 goal...

Max Miechowski British windsurfers, sailors and rowers have been helping in the fight against invasive species – showing big sporting events like the Olympics can leave a legacy of biodiversity. From - BBC News  By - Katherine Latham   Edited by - Amal Udawatta Pumping the sail to gain speed, windsurfer Alice Read lifts out of the water and glides across the sparkling blue of Portland Harbour. The only sounds are the wind and the quiet buzz of her hydrofoil. When she turns, I barely notice her crossing the board, her movements fluid as the water itself. She reaches for the surface with the fingertips of one hand, spray fizzing into the air as she swoops past. She is so close she could touch the boat I'm sitting in. Effortlessly, Read comes to a stop, resting for a moment to catch her breath. "On the water, I'm just having so much fun – it's only when I come off the water I realise actually how much work I've done," she says.  Under the rings of the Olympic fla...