FDNY unions are sounding the alarm on the city's new congestion pricing, warning it could delay response times and have deadly side effects as a result.

As City ushered in its long-awaited congestion pricing plan, the FDNY sounded the alarm over what it calls a looming public safety crisis — one they warn could mean slower response times, longer shifts and millions of dollars in extra costs.

Two of New York City’s firefighter unions are criticizing the city’s newly-implemented congestion pricing plan, stating at a press conference on Sunday that the $9 toll will hurt response times and hike overtime fees.

Meanwhile, New York’s bravest are sounding the alarm on congestion pricing. Union leaders say this could slow down the response time of first responders arriving at a fire. FOX 5 NY’s Meredith Gorman has the details.