9 AM ET: Deadly US shootings, Musk's non-disclosure violation, airline hostile takeover & more

President Joe Biden will head to Buffalo, New York tomorrow to speak to the families of the 10 people killed in Saturday’s shooting - we'll bring you details about the suspect. Meanwhile, police are investigating separate deadly shootings in California and Texas this weekend. After putting his purchase of Twitter on hold, Elon Musk says he’s been accused by Twitter’s legal team of violating a non-disclosure agreement. North Korea’s called in the military to tackle Covid-19 in the country, while Shanghai begins reopening businesses today. And, a hostile takeover in the sky. To learn more about how CNN protects listener privacy, visit cnn.com/privacy