Police in north China's Inner Mongolia Autonomous Region have now arrested a total of 11 suspects over a natural gas pipeline explosion in a residential building on Saturday.
Local police provided an update on the investigation on Wednesday, having announced their arrest of 10 people on Tuesday.
The death toll in the incident has risen to five.
The blast hit a building in Baotou City at about 2:00 p.m. local time on Saturday, leaving at least 25 people injured.
Details of the incident are still emerging.
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