In the wake of Hillary Clinton's tough week in the media, when FBI director James Comey's announcement of no criminal charges over the presumptive Democratic nominee's handling of email while Secretary of State was accompanied by some harsh criticisms, Republican nominee Donald Trump has gained support in the key battleground states of Florida, Ohio and Pennsylvania.

That is according to a new Quinnipiac University swing state poll, which found that Clinton has lost all of an eight-point lead in Florida since a June 21 survey, with Trump now leading in the state 42% to 39%. Trump is also leading in Pennsylvania and is tied with Clinton in Ohio, where Trump is hoping for an endorsement from Gov. John Kasich, which could boost that number.

Given the margin of error, those states are all essentially dead heats at the moment.  

"While there is no definite link between Clinton's drop in Florida and the U.S. Justice Department decision not to prosecute her for her handling of emails, she has lost ground to Trump on questions which measure moral standards and honesty," said Peter Brown, assistant director of the Quinnipiac University Poll.

Nationally, Clinton's lead has shrunk to 3 percentage points -- 42% to 39% -- and she fell below 50% for the first time in a year, according to a new McClatchy/Marist poll.

Related: Trump, Clinton in Dead Heat in Swing States.

Fox News Channel was the top source for New Hampshire primary coverage, and Fox says it was the second-biggest primary audience in total viewers ever.

According to Nielsen, FNC averaged 4 million viewers (technically 3,929,170 in P2+) from 7 to 11 p.m. Tuesday (Feb. 9), second only (in terms of viewing primary coverage) to the 4.4 million that tuned in for FNC’s Iowa caucus coverage last week. The coverage also drew 909,828 viewers in the key news 25-54 demo.

By comparison, CNN drew 2,487,962 in P2+ and 848,873 in the demo at 7-11. MSNBC was third with a 1,662,543 in P2+ and 455,222 in the demo. 

CNN, citing Nielsen Fast National numbers, touted its advantages in total viewers over MSNBC and said that, among younger viewers (ages 18-34), CNN with 302,000 topped Fox News (201K) and MSNBC (127K). CNN also said it had the most growth against the last New Hampshire primary (in 2012) and said CNN Digital’s traffic topped the record set on the day of the Iowa Caucuses a week ago, with more than 7 million unique visitors and 15 million page views on CNNPolitics.com. Nearly 3 million unique users engaged on CNN's mobile app and there were 13 million unique visitors for CNN Digital overall, the network said.