One day after his son's wedding, a Serbian man shot dead his new daughter-in-law, his own wife and both women's parents before killing himself with his hunting rifle, police said.

"Disrupted family relations caused a big tragedy in the village of Martonos, near Kanjiza, in which seven people lost their lives on Sunday morning at 10 a.m.," said the statement quoted by the state news agency Tanjug.

The village is about 185 kilometres (115 miles) north of Belgrade. Police said an investigation was underway and gave no further details.

Tanjug quoted sources as saying that Rade Sefer, 55, had a licence for the hunting rifle he used in the killings.

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