Democratic front-runner Hillary Clinton had a decisive victory in Tuesday’s New York presidential primary, but rival Bernie Sanders won a majority of the counties in the state.

The Vermont senator won most of the counties, including Albany County, where the capital is located.

Clinton’s victory came largely from sweeping all of New York City’s boroughs and the surrounding counties, as well as the cities of Buffalo, Rochester and Syracuse.

With 88 percent of precincts reporting, Clinton led Sanders by 15 points. She was declared the victor about 40 minutes after the polls closed at 9 p.m.

Her win in the Empire State, where she served two terms as a U.S. senator, was a significant boost as she sought to blunt Sanders’s recent winning streak.

Clinton will take a majority of New York’s 247 pledged delegates. She was ahead by 244 delegates entering Tuesday’s primary, according to The Associated Press.