The Dallas Police Department received a threat and reports of a suspicious person inside a parking garage. The police acted very quickly and responded to the garage, asking news crews to not broadcast any live video of the officers’ response to keep them safe. Source

The White House will mark Earth Day this week by hosting international leaders for a virtual climate summit. But three countries that experts say are fueling the immigration crisis at the southern border aren’t on the list. CBS News climate and energy reporter Cara Korte joins “CBSN AM” with more. Source

The city is mourning the deadliest day for law enforcement since 9/11; A new class of police rookies will hit the streets of Los Angeles in the very near future Source

A new class of police rookies will hit the streets of Los Angeles in the very near future. The LAPD graduated its newest class of recruits, and their exit from the academy comes when police officers are being targeted for simply wearing the uniform. Mireya Villarreal has a report on the rookies and the climate they’re entering. Source

Tensions between the public and police boiled over for yet another night. The largest turnout may have been in downtown Atlanta, where thousands marched for justice. Police created a barricade of officers and vehicles to keep protesters from the highway. In Phoenix, about a thousand protesters clashed with police dressed in riot gear. Teri Okita reports. Source

A new survey finds 39% of COVID-19 long-haulers reported feeling better after taking the vaccine. CBS News senior medical correspondent Dr. Tara Narula spoke with two women who say after months of serious symptoms, they finally found dramatic relief. Source

Many long COVID patients are worried about receiving a vaccine. A new poll indicates it may actually help them. Source

President Biden’s Chief Medical Adviser Dr. Anthony Fauci discusses the Johnson and Johnson vaccine pause and vaccine hesitancy. Source

Kremlin critic Alexei Navalny has fallen gravely ill after going on a hunger strike to protest his lack of medical treatment. Navalny was recently transferred to a prison hospital from the penal colony outside Moscow where he was being held. Charlie D’Agata reports. Source

The Dallas protest interrupted by sniper fire was one of several around the country Thursday night protesting deadly police shootings of black men in Louisiana and Minnesota. Anna Werner reports from St. Paul, Minnesota, with new details about Wednesday’s police shooting of Philando Castile. Source