Sources: 
Saif Abu Keshek and Thiago Avila, activists from a humanitarian aid flotilla to Gaza, appeared in an Israeli court following their abduction near Greece.
Their detention, extended by two days, comes amid claims of unlawful treatment and torture by Israeli forces.
"Their detention and interrogation is completely unlawful, and they must be immediately released," said Miriam Azem from Adalah.
Israeli officials accused the flotilla of orchestrated moves claiming it was not a genuine humanitarian effort.
The activists reported brutal treatment: Avila was allegedly "dragged face-down across the floor and beaten so severely that he passed out twice," while Abu Keshek faced physical violence during his custody.
Spain's Prime Minister condemned the handling of the situation, calling for accountability for the unlawful detainment of his citizen. Adalah stated, "The forced transfer of civilians from international waters into custody constitutes a serious violation of international law."
The flotilla, carrying humanitarian supplies, was intercepted by the Israeli military, leading to the activists' unlawful detention and subsequent court appearance.
The Spanish government seeks the immediate release of Abu Keshek, emphasizing the illegality of his captivity.
"Avila reported being subjected to extreme brutality by the Israeli military," Adalah's statement highlighted, while the Israeli government defends its actions as necessary and justified against perceived threats.
Sources: 
Two activists from a Gaza aid flotilla, Spanish national Saif Abu Keshek and Brazilian Thiago Avila, appeared in an Israeli court after being abducted in international waters. Their detention has been extended for two days amidst accusations of connections to a terrorist organization, according to the human rights group Adalah.