The provincial fire department, on its microblog, attributed the blasts to an ammonia leak.
The disaster killed 119 people, and 54 people were being treated in hospitals, the provincial government said on its microblog.
"The H7N9 bird flu is currently approaching, " Yang Yu, a commentator with state broadcaster CCTV, said in a post on his microblog.
Prof Kong's angry retort on his microblog has since been deleted.
The newspaper reported on its microblog that the fire spread rapidly, with industrial boilers exploding, and only a side door to the building was open with the rest of the exits locked.
Guan Kaiyuan, a 22-year-old law student at the China Institute of Industrial Relations in Beijing, had pointed out that Prof Kong's self-composed Tang Dynasty-style poem on his microblog did not rhyme correctly.
On April 18th Qingdao's landscaping and forestry bureau apologised on an official microblog, admitting it had not consulted enough with the public.
Shenyang Daily recounts how her last microblog entry on Monday showed a photo of bread and fruit and the message, "My wonderful breakfast".
Only Lady Gaga and Justin Beiber, both with over 11 million followers on Twitter, have more microblog fans than Yao Chen.
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Anonymous members often publicise their activities on Twitter, but the microblog's limit of 140 characters means they redirect users to much longer "pastes" elsewhere to share details of hijacked emails, passwords and other information.
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According to its official microblog, he jumped to his death on 22 August.
"The NBA lockout now comes to an end, so does A Lian's performance in the CBA, " said a statement posted on the team's official Twitter-like microblog.
Following a Beijing directive in late 2011, most local government agencies and other organizations have all established microblog accounts, which they use to keep the public informed about their latest activities and seek feedback on upcoming plans.
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