Six people, including four British tourists, were killed on Saturday when their sightseeing plane crashed near Peru's famed Nazca Lines, according to the country's Andina news agency. The Air Nasca plane crashed at about 4:15 p.m local time (2115 GMT) on Saturday in the desert near Nazca, about 275 miles (443 km) south of Lima, Andina said on its website. The two pilots aboard the flight also died, it added. Peru's Ministry of Transport and Communications announced officials were investigating the cause of the crash.