Do you mean the claim that there was a command center under al-Shifa hospital? That was debunked over 18 months ago by multiple sources.
None of the attacks on hospitals have been justifiable under the Geneva Conventions.
https://www.bbc.com/news/world-middle-east-67453105 https://www.theguardian.com/world/2023/nov/17/idf-evidence-s...