Peshawar, Jul 21 (PTI) At least four people died and 20 others went missing after three boats capsized in a dam in northwest Pakistan on Wednesday, officials said.

The incident occurred at Raghgan dam in Bajaur tribal district.

A boat with 18 people on board capsized in the dam water, following which two rescue boats were immediately rushed to the incident site. However, both the rescue boats also capsized.

While four bodies were retrieved, six people were rushed to a nearby hospital in critical condition, officials said.

The rescue authorities said 20 people are still missing and search operation is underway to trace them.

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