UN aid convoy still being held up at Gaza-Israel border.

“The UN is frustrated with the Israelis. The Israelis are simply not opening the border because they say the barrier isn’t secure.” - Al Jazeera’s Imran Khan.

🔴 LIVE updates: https://t.co/PfLKVmgNKd pic.twitter.com/1sBz0JB9Pz

— Al Jazeera English (@AJEnglish) May 19, 2021