Seven people were left dead after a mass shooting in the southern Thai province of Chumphon, AFP reports.

The dreadful incident happened 10 minutes after midnight, when a “heavily” drunk man, identified as Sucheep Sornsung, opened fire on his family members apparently after feeling slighted by his in-laws during the New Year’s party.

“All of the victims were his family members including his nine-year-old son and six-year-old daughter,” a police official said.

The other four victims were two men and two women aged between 47 and 71.

The perpetrator killed himself after the rampage, it is reported.

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Thailand has a high rate of gun ownership, with around six million firearms being registered among the country’s population of 66.7 million.