The mother of a Thai teenage boy who went missing in Tokyo on Monday wrote on her Facebook wall that she has found her son but that he had passed away. 

Authorities in the US have found the rented car of two Thai students that plunged into a canyon in Kings Canyon National Park in California, but they could not reach the site of the crash due to strong river currents and steep cliffs, said Thai Foreign Ministry spokesperson Busadee Santipitak on Tuesday.