December 15, 2015 11:53 PM EST

A heated exchange between Republican front-runner Donald Trump and former Florida Gov. Jeb Bush was the top moment on social media during Tuesday’s CNN debate.

The top moment came when the two candidates sparred over Trump’s ability to handle matters of foreign policy, with both Facebook and Twitter users making it the top moment of the night.

Once again Trump was the most talked about candidate on Twitter, with 35% of mentions, and was the most discussed on Facebook on Tuesday. On Twitter, Bush followed in second, with Cruz, Rubio and Carson behind him. While Facebook users had Cruz in second and Bush and Rubio tied for third.

The most posted about topic on Facebook was Islam, followed by ISIS, terrorism, racial discrimination and immigration.

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