Security guards at Tsalmon Prison in northern Israel found swastika graffiti in the prison yard, according to a Tuesday announcement from the Israel Prison Service.
Guards found the swastika drawn on a wall during a routine patrol. The drawing was in a bathroom stall accessible from the yard.
After reviewing security footage, prison officials identified the culprit as a prisoner with foreign citizenship. The prisoner was punished, the IPS added, though the statement did not detail the punishment.
Brazilian activist claims torture during detention in Israel after flotilla interception
Brazilian activist Thiago Avila returned to Sao Paulo on Monday following his detention and deportation from Israel, where he alleged he was tortured and witnessed abuses of Palestinian prisoners during 10 days in custody.
Avila and Spanish national Abu Keshek were part of the second Global Sumud Flotilla that launched from Spain on April 12, attempting to break Israel's blockade of Gaza by delivering aid. The two men were arrested and taken to Israel after Israeli forces intercepted the flotilla, while more than 100 other pro-Palestinian activists were taken to Crete.
Avila claimed that he and Abu Keshek suffered "all kinds of violations" during their detention, adding that Palestinian prisoners in nearby cells experienced worse treatment.