May 20 (UPI) -- Bill de Blasio, who served as New York City's 109th mayor from 2014 to 2021, has announced his run for Congress, the Democratic politician said Friday.

May 20 (UPI) -- Tim Anderson, an attorney and a Virginia State Delegate, said he filed a lawsuit on behalf of Tommy Altman, who is running for Congress, this week in hopes to prevent two LGBT-themed books from being given to minors.

May 20 (UPI) -- Firefighters in Sacramento responded Thursday night to several small arson vegetation fires that were quickly contained, and police are seeking an arson suspect.

May 20 (UPI) -- Increased output by gun manufacturers as well as privately made firearms drove an exponential increase in firearms available in the United States over the past two decades, according to a new study.

May 20 (UPI) -- A mass shooting on Chicago's north side Thursday night left two people dead and eight wounded. At least one person was arrested and a weapon was recovered, according to Chicago police.

May 20 (UPI) -- Massachusetts saw more "excess" deaths during the wave of the COVID-19 pandemic fueled by the supposedly milder, but more contagious, Omicron variant than during the Delta wave, a study published Friday found.

May 20 (UPI) -- One person died and two others suffered from smoke inhalation exposure when an industrial building fire in Hollywood Thursday night damaged a large two-story building that included several recording studios.

May 20 (UPI) -- An existing drug could help limit damage caused by an injury to the spinal cord by blocking the inflammatory response, potentially restoring some movement, researchers said Friday.

If you've had a root canal, you can expect your tooth to survive for about 11 years, researchers say.

May 20 (UPI) -- Scorching summer heat, prolonged droughts and wildfire outbreaks will ramp up the risk of power outages across Texas, California and the central and upper Midwest, an assessment from the nation's grid monitor shows.