YANGON, April 29 -- Myanmar's coup-chief turned president cut all prisoners' sentences by one-sixth on Thursday, a blanket measure a source close to deposed leader Aung San Suu Kyi said would further shorten her detention.

Suu Kyi has been sequestered since a 2021 military coup, but the senior member of her dissolved National League for Democracy (NLD) party said while her term had been reduced, her remaining sentence is still unclear.

"We also don't know exactly how many years she has left," the source told AFP, speaking on condition of anonymity for security reasons.

The military toppled Suu Kyi's elected government five years ago, sweeping her into detention on a host of charges rights groups say were confected to sideline her and t...