In the morning, after examining further investigation. I found no evidence of any more whether caused by intention or due to sabotage, nor found to have leaks, edit more, so I've sakoet up, let people know.
In the morning, after the investigation further. I do not find any more evidence that the intention or result of sabotage. And there was no leakage of gas occurs more. I've let the relevant people know.
This morning, after reviewing the garden near fill. I found no evidence that caused more intention or caused by sabotage. As there was no gas leakage happens more. I have to let other know.