An American journalist detained in military-ruled Myanmar accused of incitement is facing new charges of sedition and terrorism, his lawyer said on Wednesday, in a setback for US efforts to secure his release.

Danny Fenster, 37, who was managing editor of Frontier Myanmar, a top independent news site, was detained at Yangon's international airport in May as he attempted to take a flight out of the country.

It was not immediately clear what Fenster (above) was accused of in...