ABC News November 13, 2015

2016 Presidential Candidates Respond to Paris Attacks

WATCH: President Obama Stands Behind France After Deadly Attacks

The 2016 presidential candidates are expressing their condolences and offering their prayers in light of the attacks in Paris Friday that left dozens dead, according to police sources

Shootings and explosions rocked the city and hostages were taken at a local concert hall, according to a police source.

The Department of Homeland Security has stated it does not believe that these attacks pose a threat to the United States.

Dozens Dead in Explosions and Shootings in Paris, Source Says

Republican Jeb Bush was told about the fatalities, and Bush replied "Oh my God," and shook his head. “I haven’t gotten enough information," he said. "I’ve learned that it’s important to know exactly what’s going on."

So far, Democratic frontrunner Hillary Clinton, as well as several Republican candidates including Donald Trump, Ben Carson, Jeb Bush and Marco Rubio, have responded on Twitter.

The reports from Paris are harrowing. Praying for the city and families of the victims. -H

— Hillary Clinton (@HillaryClinton) November 13, 2015

My prayers are with the victims and hostages in the horrible Paris attacks. May God be with you all.

— Donald J. Trump (@realDonaldTrump) November 13, 2015

Praying for victims of attacks in Paris and for those reportedly held hostage.

— Marco Rubio (@marcorubio) November 13, 2015

My thoughts and prayers are with the people in Paris tonight.

— Dr. Ben Carson (@RealBenCarson) November 13, 2015

Praying for Paris tonight. America will stand with you against terror.

— Jeb Bush (@JebBush) November 13, 2015

Horrified by the attacks in Paris tonight. My thoughts are with the victims and their loved ones.

— Bernie Sanders (@BernieSanders) November 13, 2015

Horrific reports coming out of Paris. Our thoughts and prayers are with all the people of France — our oldest ally. https://t.co/701TBDfwQB

— Ted Cruz (@tedcruz) November 13, 2015

Our prayers go out for the people of Paris tonight. -John

— John Kasich (@JohnKasich) November 13, 2015

My thoughts and prayers are with everyone in Paris tonight. This is truly horrific.

— Dr. Rand Paul (@RandPaul) November 13, 2015

My prayers are with the people of Paris, France. America will always have your back in the war against terrorism. Always.

— Gov. Mike Huckabee (@GovMikeHuckabee) November 13, 2015

The terrorist attacks in France tonight are alarming and heartbreaking. Our thoughts and prayers go out to the victims and their families.

— Chris Christie (@ChrisChristie) November 13, 2015

My thoughts & prayers are with the people of Paris. America must stand united with France as they face this truly horrific act of terrorism

— Dr. Rand Paul (@RandPaul) November 13, 2015

Our thoughts are with the people of France. Please say a prayer for Paris as they deal with this horrible attack.

— Gov. Bobby Jindal (@BobbyJindal) November 13, 2015

Tonight we pray for and mourn with our French brothers and sisters. Today's horror is another reminder that we must be vigilant against evil

— Rick Santorum (@RickSantorum) November 13, 2015

Heartbreaking news from Paris. Praying for the country and its people. -O'M

— Martin O'Malley (@MartinOMalley) November 13, 2015

Coordinated attacks ongoing in Paris are horrifying. We pray for a swift resolution.

— George E. Pataki (@GovernorPataki) November 13, 2015

This isn't just an attack on the French people, it's an attack on human decency & all things that we hold dear.

— Lindsey Graham (@LindseyGrahamSC) November 13, 2015

ABC's Madison Jaros contributed to this report.

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