Myanmar, Malaysia and Indonesia have now all surpassed India's peak per capita death rate as a new coronavirus wave, fueled by the virulent delta variant, tightens its grip on the region.
Nyan Win had been arrested after the February 1 coup removed the NLD from power and was held in Yangon's notorious Insein prison on charges of sedition.
Surveillance has been widely used to combat COVID-19 in China, which was the first country to adopt a QR code system to log test results and track contacts.
Authorities have locked down Ruili, blocking people from entering or leaving the city in Yunnan province and restricting residents in the urban area to their homes in a bid to contain the spread.
Consumed by a bitter and violent political struggle since the military seized power in February, Myanmar has been slow to wake up to a devastating surge in cases since mid-May.
Another 15 cases were found in Ruili in the 24-hour period ending at midnight, on top of six in the first two days, health authorities in southwest China's Yunnan prefecture said.
Based on a tip-off, the police raided their houses at Rajendranagar police station limits late on Monday.
Coronavirus infections are rising sharply in Myanmar, with authorities reporting almost three thousand cases Monday, up from around 100 per day in early June.
Security forces are arresting, attacking and killing medical workers, dubbing them enemies of the state.
The central Sagaing region has been the site of multiple skirmishes between defence forces and the military, and on Friday fighting broke out in Depayin township.
The action was accompanied by the removal of sanctions on three Iranian industrial executives whom the Trump administration penalized for supporting Iran's ballistic missile program.
Suu Kyi went on trial on June 14 in a closed court in Naypyitaw, the capital. The ruling military junta is widely seen as using the charges to discredit her and consolidate its control.
A flareup in fighting around the mines in Hpakant, in remote Kachin state, also is adding to instability in the border region, independent research group Global Witness said in its report.
At least 22 members of the Myanmar parliament are among those who have taken refuge in the state, the police officer said.
On Tuesday, Min Aung Hlaing met with Russian Defence Minister Sergei Shoigu, who hailed strong military cooperation between the countries.