A New Hampshire woman drowned on Monday after suffering a medical event while swimming in Laconia, according to New Hampshire State Police.

Bonita Johnston, 73, was seen swimming in Opechee Bay near the Lakeview Estates around 7 p.m. Monday. A short time later witnesses called for help when they saw her floating face down in the water. Two good Samaritans attempted to help until first responders arrived, police said.

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Johnston was pronounced dead at Concord Hospital - Laconia. An autopsy found that she had a medical event while swimming and drowned.

Anyone with more information can call Marine Patrol Sgt. Nicholas Haroutunian at 603-293-

2037.

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