(KRON) – A CHP helicopter crew responded to suspicious activity underneath the Carquinez Bridge Saturday evening, according to CHP Golden Gate Division Air Operations.

The crew of H-32 located two people under the bridge with rappelling equipment. Video above shows a CHP flight officer deployed to the scene after the helicopter was positioned next to the bridge near the shoreline.

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The two people under the bridge were directed to ground CHP officers for further investigation.