Security Increased After New York City Bombing

Authorities have deployed 1,000 additional law enforcement personnel across the region as investigators continue to search for clues in the Chelsea bombing that left dozens injured.
2:17 | 09/19/16

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Transcript for Security Increased After New York City Bombing
New York on high alert this morning President Obama is here irbil the blast is stepping up security as world leaders together for the UN general assembly and we'll speak to the mayor in a moment. First ABC's Lindsay Janice is on the scene in Chelsea good morning went. Good morning George the blast site behind me still very much an active crime scene this morning FBI investigators scouring it for clues. And the mayor telling New Yorkers to look out expect armed officers across the city from the transit systems to the UN. This morning at New York City on high alert. 1000 additional law enforcement personnel deployed across the region. Citizens are urged to stay vigilant counterterrorism. Officers of state and local police and the National Guard patrolling major transit hubs. Will be doing enhanced bed checks throughout the city. Saturday night's blast caught come this surveillance videos circulating on night sending pedestrians running and ducking for cover. Just went off and you are. Which when he third street location on bustling center of restaurants and night light. This surveillance video from a fitness club across the street capturing the chaos once again as the force of the blast rock the camera that would be. Black cloud like. Not all. So strong it also blew out windows of adjacent buildings and cars. Picking shrapnel and glass flying this woman bloodied and T helped by a bystander. Going all the U. Preparing felony. Okay. Coming up it. First responders leading the injured. 29 total into the ambulance it boasted that going to hospitals. But all of that released by Sunday. Among the injured Brenda a Barrow leaving the hospital a pregnant woman says the blast lifted the car she and her fiance were driving from the streets causing him to blackouts and babies. I am married his name the baby. Half mile compassion. New York governor Andrew Cuomo is surveyed in this scene on Sunday he said there is extensive damage and it is extremely lucky no one was killed. In this attack. George insurance OK Lindsay thanks very much.

This transcript has been automatically generated and may not be 100% accurate.

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