NATIONAL

A U.S. District Court could delay a rule meant to curtail the NYPD’s surveillance of the Muslim community.

More than half the U.S. population lives in areas with potentially dangerous air pollution levels.

Seventeen years after the Columbine killings, experts say schools need to rethink their approaches for assessing and responding to threats.

Anthony Waller still faces 50 counts of video voyeurism and one count of child pornography, the Associated Press reported.

The candidate won Tuesday’s GOP primary by touting his close ties to the state where he grew up and built his business empire.

Michigan officials will reportedly file felony charges against three people over contaminated drinking water in a poverty-stricken city.

A judge Tuesday approved an accord between the U.S. Justice Department and the city prompted by a 2014 police killing of a black man.

The candidates were expected to deliver speeches from New York — or from states like Pennsylvania and Maryland, where primaries will be held next week.

A judge sentenced Officer Peter Liang to 800 hours of community service for killing an unarmed black man.

Marijuana-related calls to poison control centers soared from 44 in 2006 to 227 in 2015, state officials say.

Both Donald Trump and Hillary Clinton are hoping New York voters will give them a boost of new delegates.

The trial of nine correction officers for an alleged 2012 assault and cover-up is the latest legal action against Rikers Island employees.

A Texas chapter of CAIR (Council on American-Islamic Relations) tried for weeks to meet with the candidate’s staff, its director said.

Both party front-runners were expected to win Tuesday — and they didn't disappoint their supporters. Check here for updates.

About 300 people, including Ben Cohen and Jerry Greenfield, were taken into custody for being part of the “Democracy Awakening” protests.

The Democratic and Republican front-runners are expected to win in New York — and they have to, because their rivals have been coming on strong.

The ring is expected to sell for $25 million to $35 million at Sotheby’s New York Magnificent Jewels sale Tuesday.

Bernie Sanders questioned whether Hillary Clinton’s campaign violated legal limits on donations by paying staffers with funds from a joint fundraising effort by Clinton and the DNC.

Gray suffered severe spinal injuries while in police custody and died a week later.

"I'm going to introduce him, that's a true statement," Ryan said. "But I'm not going to say who my endorsement is and all that stuff."

Residents in New York City weighed in on the presidential candidates.

The U.S. forces will be training and advising Iraqi troops in their fight against the Islamic State terrorist group.

Parts of the largest city in Texas were underwater Tuesday after a slow-moving weekend storm dumped heavy rain on the region.

The infamous drug kingpin, who has run one of the most successful trafficking operations for decades, is known as "King of the Tunnels."

Comedian John Oliver took a closer look at the deregulation of lead across the country on "Last Week Tonight" Sunday.

Both candidates are backing a bill that would allow 9/11 victims' families to sue Saudi Arabia for any role it played in the terrorist attacks.

The Monday arguments about President Obama’s policies have raised the possibility of deadlocked Supreme Court, which would block the program that spares people from deportation.

Changing or replacing the seal would fall in line with schools across the country that have removed Confederate imagery.

While some of the Pennsylvania bill’s details could take years to implement, parents will be able to start treating kids right away.