2016 Presidential Candidates Respond to Paris Attacks

Presidential contenders offered their thoughts and prayers on Twitter.

— -- 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 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.

Get real-time updates as this story unfolds. To start, just "star" this story in ABC News' phone app. Download ABC News for iPhone here or ABC News for Android here.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

ABC's Madison Jaros contributed to this report.

Get real-time updates as this story unfolds. To start, just "star" this story in ABC News' phone app. Download ABC News for iPhone here or ABC News for Android here.

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

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

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

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

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

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

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

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

ABC's Madison Jaros contributed to this report.

Get real-time updates as this story unfolds. To start, just "star" this story in ABC News' phone app. Download ABC News for iPhone here or ABC News for Android here.

ABC's Madison Jaros contributed to this report.

Get real-time updates as this story unfolds. To start, just "star" this story in ABC News' phone app. Download ABC News for iPhone here or ABC News for Android here.