IDF says roads to Gaza aid centres are 'combat zones' as sites close for day

IDF closes roads to Gaza aid centers after deadly incidents, with 27 Palestinians killed near a distribution site. Gaza Humanitarian Foundation (GHF) shuts down sites for safety improvements as Israeli military warns of "combat zones." Amid concerns over aid distribution, UN Secretary General calls for investigation into recent events. President Trump supporter named new head of GHF amid criticism of current aid model.