There's an Associated Press story about this:

https://apnews.com/article/no-other-land-oscar-israel-palestinians-084c63f33e748a3279646759e9b705c2

"'We don’t know where Hamdan is because he was taken away in a blindfold,' Josh Kimelman, one of the activists who was at the scene, told The Associated Press."
Reposted from Prem Thakker ツ
BREAKING: Yuval Abraham, co-director of Oscar-winning documentary "No Other Land," says Israeli settlers beat his co-director Hamdan Ballal, injuring his head and stomach — and then Israeli soldiers invaded the ambulance he was in and seized him.

Ballal's whereabouts are now unknown.

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