NTSB investigators have recovered the engines and cockpit voice recorder (CVR) of the Learjet 55 that crashed on Jan. 31 in Philadelphia, killing at least seven people.

For the ⁠latest updates, read ⁠USA TODAY's coverage for Monday, Feb. 3. PHILADELPHIA — Investigators have recovered the cockpit voice recorder from the air ambulance that plunged into a Philadelphia neighborhood,

Among the people on board was a child who had come to the U.S. for "life-saving treatment" and was going back home, a spokesperson for Jet Rescue Air Ambulance said.