YANGON, Burma (also known as Myanmar)—Police in Burma filed a new charge against ousted leader Aung San Suu Kyi, her lawyer said Tuesday, in a move that may allow her to be held indefinitely without trial as part of an intensifying crackdown by authorities who seized power in a coup. Suu Kyi, who was deposed and detained in the military takeover on Feb. 1, already faced a charge of illegally possessing walkie-talkies—an apparent attempt to provide a legal veneer for her house arrest. Under the new charge, she is accused of breaking a law that has been used to prosecute people who have violated coronavirus restrictions, lawyer Khin Maung Zaw told reporters after meeting with a judge in a court in the capital, Naypyitaw. It carries a maximum punishment of three years in prison. But, perhaps more worryingly, because of changes to the Penal Code instituted by the junta last …