The victims' group says they are owed a detailed account of the decisions leading up to the massacre.
Beijing has in recent years skirted international law with its sweeping claims and artificial island-building and used strong-arm tactics to bully the vessels of other claimants.
The government military vows instead to retaliate for recent attacks on troops in Rakhine state.
Police say they are protecting community health, but the Tibetans claim discrimination since other businesses can open.
Prime Minister Hun Sen threatened arrests after the opposition urged a delay of debt payments amid the outbreak.
The retired doctor disappeared days after her sister spoke out against abuses in Xinjiang.
Manila says it is holding off for six months its plan to pull out of the 1999 Visiting Forces Agreement.
Le Dinh Chuc, son of slain Dong Tam village elder Le Dinh Kinh, is recovering from injuries suffered in the Jan. 9 police assault, his lawyer says.
Chief executive Carrie Lam says Hong Kong will retain its freedoms, but an opinion poll shows many residents think its special status is a thing of the past.
Hu Weifeng, a colleague of whistleblower Li Wenliang, is the sixth doctor to die of the virus at Wuhan Central Hospital.