Developing news on an active shooter reported in Colorado. Plus, Biden send top officials to Mexico, Central America amid growing border crisis.

Read today's top stories from NBC News.

March 22, 2021 Biden dispatches top officials to Mexico, Central America as border crisis grows By Sahil Kapur and Shannon Pettypiece The crisis at the border has created a difficult situation for President Joe Biden, who is caught between his promises to progressives to establish a more humane immigration system and pressure from conservatives to send a tougher message to deter migrants from traveling to the U.S. to seek asylum. Read more Developing: Active shooter reported at Colorado grocery store; FBI assisting investigation By Tim Stelloh | Read more Atlanta Korean community is outraged, says issue isn't actually 'complex' By Hanna Park | Read more OPINION Why teenage terrorism is on the rise — and what to do about it By Farah Pandith and Jacob Ware | Read more Biden's multitrillion-dollar infrastructure jam By Shannon Pettypiece and Jonathan Allen | Read more Want a vaccination appointment? It helps to know a Python programmer By Kevin Collier | Read more Spring break, lax Covid restrictions create 'perfect storm' in South Florida By Corky Siemaszko | Read more 'People got crazy': Stranded cruise line workers describe desperate conditions onboard By Ahiza García-Hodges | Read more A study looks into the ways LGBTQ students are targeted and harassed at Christian colleges By Dan Avery | Read more Supreme Court to consider Boston Marathon bomber death sentence By Pete Williams | Read more Get the NBC News Mobile App Follow NBC News This email was sent by: NBC News 30 Rockefeller Plaza New York, NY 10112   This is an automated email. Do not reply directly to this email. Privacy | Unsubscribe | More NBC Newsletters | Contact View in browser