I like it that an opinion for a Maju Junction blast is out, but not for the Subang Empire blast.
Dateline 2011-11-29:
The gas explosion two days ago at a restaurant at the Maju Junction shopping centre is believed to have been due to shoddy maintenance, said Malaysian Fire and Rescue Department director-general Datuk Wan Mohd Nor Ibrahim.
He said restaurant operators or building owners who opted to use piped gas need to regularly maintain the system to prevent gas leaks that might cause explosions.
“Such a process is necessary for safety; piped gas is different from a normal gas tank as the pipe can leak without continuous maintenance,” he told reporters after the launch of a seminar on fire safety engineering design here Tuesday.
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Posted by Wata 
Wata - Malaysian Oil and Gas Engineer 