Panic at Barclays Center sign of nation on edge after shootings

The backdrop: Barely over a week after a racially motivated gunman killed 10 people at a supermarket in Buffalo, New York., an 18-year-old gunman opened fire at an elementary school in Uvalde, Texas, on Tuesday, killing 19 children and two adults.

Driving the news: A loud disturbance after a boxing match at Barclays Center late Saturday night caused people to start running and led to rumors of an active shooting, the NYPD told WashPost.

• Panic over the false reports of an active shooter led to the crowd surge that caused minor injuries to 10 people, who were treated at nearby hospitals.
• "After investigating the incident at the Barclays Center this morning, we determined that no shots were fired," an NYPD precinct account tweeted on Sunday.