An investigation is underway after a deadly stabbing in the Gaslamp Quarter on Wednesday night, officials said.

The incident happened in the 700 block of Fourth Avenue just before 7 p.m., according to the San Diego Police Department.

One man was confirmed dead, police said. Officials say no one has been arrested.

It's unclear what led to the stabbing.

This is a developing story that will be updated as more information arrives.

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