A number of Chinese Twitterers have been detained and arrested since early June – a sensitive month because of June 4 anniversary.

According to @tengbiao, a human rights activist based in Beijing, at least six twitterers has been arrested since June 1, 2010. They are @suyutong, @jason5ng32, @wangyi09, @yanglicai, @wuyuren, @nwz8964 and @gonewater

@suyutong, is a NGO volunteer based in Beijing, she was arrested in Tiananmen at 10am in June 4 because she was holding a bunch of white roses. She was detained for a few hours in the police station. (source CRD)

@jason5ng32, a very influential blogger and the founder of Kenengba. His twitter account was hijacked in June 3 and changed into @userhyq. According to a number of tweets, he was push into a police vehicle and vanished for a couple of hours in June 4. His wife @maoz said that Jason was safe but had to stay away for a period of time. The latest update last night from @mranti is that Jason had returned home and he needs to be left alone for a few days.

@wangyi09 hasn't updated any tweet since May 31. According to @mynamexu, she was escorted back to Henan.

@nwz8964 is a former political prisoner. He was arrested in 2009 and sentenced to one year labour education because of he wrote about the 20th anniversary of June 4 in online forum. He hasn't updated his tweet since May 31.

@yanglicai is a blogger and citizen investigator. He hasn't updated his tweet since June 3 and according to the latest update by @xiuchangguato, he has been arrested and will be released on 11 of June.

@wuyuren, an artist-activist who participated in the artist demonstration against the demolition of art district in Beijing in Feb this year, hasn't updated his tweet since May 30. There isn't any update about his current situation.

@gonewater was arrested at the night of June 3. According to @mranti the police has taken away his computer, a copy of Li Peng diary and a t-shirt.