Republican White House candidate Donald Trump stole the social media spotlight during Monday night's U.S. presidential debate on at least one count - what Twitter users branded his #Trumpsniffle.

The wealthy businessman sniffed repeatedly as he faced off against Democratic rival Hillary Clinton in their first debate, giving rise to the hashtag and a surge of interest on social media what might be causing his nose to run. Parody accounts, Donald's Sinuses (@TrumpsSinuses) and Trump sniff (@TrumpSniff), gained a large following.

Trump, 70, told Fox News on Tuesday morning he did not have a cold. "No, no sniffles, no," he said. "No cold." He complained he had a faulty microphone and joked that maybe it was picking up breathing.

Several tweeters seized on the sniffling to hit back at Trump over his repeated digs at the health and stamina of Clinton, 68, who had pneumonia earlier this month.

Overall, Twitter said the debate, the first in a series ahead of the Nov. 8 election, was the...read more at Reuters