Nearly two-thirds of Americans favor tougher gun control in light of a series of recent mass shootings, according to an Associated Press-GfK poll released Saturday.

The number is the highest since AP-GfK began polling the question in 2013.

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A majority of respondents said they favored prohibition of semi-automatic weapons and high-capacity magazines.

Fifty-five percent said tighter gun regulation does not infringe upon the Second Amendment, while 43 percent said it does.

There was a massive partisan divide, with 87 percent of Democrats saying they back stricter gun regulation, and just 41 percent of Republicans doing so.

However, both Democrats and Republicans are in favor of background checks for guns bought at gun shows and a ban on sales to people who are on a terror watch list.

The AP-GfK Poll included a pool of 1,009 responders polled between July 7 - July11 with a margin of error at 3.3 percentage points.