Parents suspect their offspring are being forced to work as slaves in illegal brick kilns.
One activist is tortured after seeking information about the camp be made public, a rights group says.
Providing information on water flow management would benefit the region, he says.
A lawyer who went to check on the activists' whereabouts is also taken into police custody.
The nomination process for the 2017 elections for the top job in Hong Kong becomes a key battleground.
Local officials say the requisitioning of land is 'normal' but deny that the graves were destroyed with no warning.
Police are out in force around a newspaper's headquarters in the southern Chinese city.
There are concerns the paper's management wants it to be less outspoken where the Communist Party is concerned.
Relatives of two detained ethnic Mongolians say they have been denied permission to visit them.
Parents, netizens and activists say they suspect an official cover-up after 17 infant deaths following the hepatitis B jab.
His lawyer says the original complaint about a beating that put him in a wheelchair was likely never investigated.
Yeung Hung is being held under criminal detention on suspicion of illegally crossing a border, his wife says.
The president-led 'working group' will set up another power structure above existing bodies, analysts say.
Pro-democracy groups warn of the prospect of a fully-fledged 'Occupy' movement in the financial hub.