A CISF personnel allegedly strangled his wife to death and then died by suicide in Jharkhand's Bokaro district, police said on Tuesday.
The incident happened at his official quarters in Sector 8 in the Harla police station area on Monday evening, they said.
The couple was native of West Bengal's Purulia district, they added.
Initial investigation revealed that there was a fight between the man and his wife, which later escalated, a police officer said.
"He first strangled his wife to death and then he died by suicide by hanging himself," he said.
The couple was married since 2008, police said.
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