The new charge relates to the purchase and rental of a helicopter and falls under the anti-corruption law, violations of which are punishable by up to 15 years in prison.

Suu Kyi, 76, was ousted in a Feb. 1 coup and faces nearly a dozen cases against her including incitement and violations of COVID-19 protocols. She has rejected all the charges to date.

A spokesperson for Myanmar's military government did not respond to calls from Reuters seeking comment. Suu Kyi's lawyers, who have been issued with a gag order in relation to the cases, did not have comment.