HOME healthUS regulator grounds Boeing MAX 9 indefinitely, flights cancelled International Impression news portalhealth 2024-05-21 08:19:170An Alaska Airlines Boeing 737 MAX 9 plane sits at a gate at Seattle-Tacoma International Airport on 6 January, 2024 in Seattle, Washington. Photo: AFP/ Getty Images - Stephen Brashear上一篇The unstoppable duo of Emma Stone and Yorgos Lanthimos下一篇Kristin Cavallari, 37, ignores critics of her age