A man and a child have been killed after a light aircraft made an emergency landing on a beach in Portugal. Authorities said the incident took place on Sao Joao beach in Caparica, south-west of Lisbon. The National Maritime Authority said a middle-aged man and a young girl died after they were unable to avoid the plane. The plane’s only two occupants were unharmed, it added. The Diario de Noticias newspaper quoted an eyewitness who said the plane had been flying at a low altitude over the beach, although he did not realise anything was wrong until other beachgoers began running. reports said the victims had been sunbathing when the plane made its emergency landing. The Associated Press news agency said the girl who died had been with her parents, who were unhurt. The agency quoted witnesses from local television broadcasts. Joao Quadros, who was on the beach, tweeted photos of the aftermath, saying the plane had passed by his son by a matter of metres. There had been no noise, he said.