A self-made bomb didn't work!

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I watched a short video on the front page filmed at Beijing Capital International Airport which was about a disabled Chinese detonated a self-made bomb,but luckily,nobody hurt at this accident! And,everybody at the scene wanted to find out why such a man of disability made this terrible behavior,he even use a wheelchair! The fact is that he ain't a terrorist,and he had no single company,just himself. He did this because he thought that he was treated unfairly by the government! Oh,gosh! What's wrong with the government?(BTW,how do you like my writing? Or you can just point out my problems and unsuitable usage,I'd appreciate that! Thank you!)