Thousands of Anti-Trump Protesters Hit New York City and Phoenix Streets

Angry demonstrators stopped traffic leading to a Phoenix-area Trump rally Saturday as protesters swarmed Trump Tower in New York City.

Thousands gathered in New York City's Columbus Circle with a plan to march across town toward Trump Tower on Fifth Avenue, where the controversial candidate lives.

In Arizona, as supporters eagerly awaited the first of two appearances in the state scheduled ahead of Tuesday's primary, critics holding signs blocked a roadway leading to the town of  Fountain Hills.

Read: Fox News: Donald Trump Has a 'Sick Obsession' With Anchor Megyn Kelly

Protesters, including those representing groups opposed to Trump's hardline immigration stance, shouted slogans like "Donald Trump, shut it down, Phoenix is the people's town" as traffic piled up behind their human blockage.

Trump was slated to stop in Fountain Hills, where Maricopa County Sheriff Joe Arpaio was scheduled to introduce him. Also on Saturday, Trump was expected to hold a rally in nearby Tucson,

In New York, police were notified ahead of time of plans to demonstrate against the billionaire candidate and were given a route the protesters planned to march.

Read: Suspicious Letter with White Powder Sent to Home of Donald Trump's Son Eric

However, the march took a chaotic turn as a protesters unexpectedly flooded streets and blocked traffic as they made their way toward Trump Tower.

According to CBS New York,  the protest was organized by the group Cosmopolitan Antifascists.

The group's Facebook page advertised the event with a poster reading, "Crush Trump: A Rally Opposed to Hatred".

"I'd like to cordially invite all of my Proud US IMMIGRANTS!!!" the post read.

Watch: Donald Trump Supporter Sucker Punches Protester Being Escorted Out of Rally