Israeli officials have not yet directly commented on Thunberg’s specific claims
Photo credit: Asatur Yesayants/Shutterstock
Climate activist Greta Thunberg, 22, was among international campaigners who joined a flotilla bound for Gaza last month. The boats, carrying humanitarian aid and activists, were intercepted by Israeli naval forces before reaching their destination.
Israel has long enforced a maritime blockade on the Gaza Strip, citing security concerns over the potential smuggling of weapons. Thunberg and other activists were detained after refusing orders to turn back. Reports indicate that she was held in Israel for several days before being deported to Sweden.
Sweden Confirms Concerns
Documents obtained by The Guardian show that Sweden’s foreign ministry raised concerns about the conditions in which Thunberg was held. In particular, the ministry relayed her claims that the detention facilities were unsanitary and unfit for purpose.
Thunberg’s Allegations
“Cell Infested with Bedbugs”
Thunberg reportedly told Swedish officials that her cell in Israel was “infested with bedbugs”. She said she suffered rashes and bites consistent with bedbug exposure during her time in custody. The activist described being forced to sleep in unhygienic conditions with inadequate bedding and little relief from the insects.
Food and Water Shortages
Alongside concerns about insects, Thunberg claimed she was denied sufficient food and clean drinking water. She described periods where she had to endure hunger, and alleged that detainees were left sitting for long stretches on hard, uncomfortable surfaces without access to basic amenities.
Physical and Mental Strain
Thunberg told Swedish authorities that the combination of poor sanitation, lack of food, and prolonged confinement caused her significant distress. The reports suggest she experienced physical discomfort, skin rashes, and heightened anxiety while in detention.
International Response
Swedish Government Reaction
The Swedish foreign ministry has not publicly confirmed the full details of Thunberg’s testimony but has acknowledged it is in contact with her and monitoring the situation. The ministry stated it takes allegations of mistreatment very seriously and is raising them with the relevant Israeli authorities.
Support from Campaigners
Human rights organisations and climate activists have voiced concern over the alleged treatment. Supporters argue that regardless of Israel’s stance on the flotilla, the conditions described violate basic international standards for detainee welfare. Amnesty International has previously criticised conditions in Israeli detention centres, citing overcrowding and inadequate medical care.
Israeli Position
Israeli officials have not yet directly commented on Thunberg’s specific claims. However, authorities have consistently defended the detention of flotilla participants, describing the blockade as a necessary security measure. In past cases, Israel has rejected allegations of systematic mistreatment, while acknowledging that facilities are often under pressure due to high numbers of detainees.
Thunberg’s Wider Activism
From Climate to Human Rights
Thunberg rose to global prominence as a teenager through her “Fridays for Future” school strikes, becoming a leading voice in climate activism. In recent years, her focus has broadened to include issues of justice, human rights, and solidarity with oppressed groups. Her decision to join the Gaza flotilla reflects this expanded platform, aligning with her calls for global accountability and humanitarian support.
Previous Arrests and Protests
This is not the first time Thunberg has faced arrest or detention. She has been detained in the past during non-violent protests in Germany and arrested in the United Kingdom, typically in relation to climate demonstrations. However, her reports of harsh conditions in Israel mark a sharp contrast with her previous experiences in European custody.
Broader Implications
Spotlight on Detention Practices
The allegations place renewed focus on Israel’s treatment of detainees, particularly foreign activists. Bedbug infestations, food shortages, and prolonged discomfort could, if verified, raise questions about compliance with international standards such as the United Nations’ Mandela Rules on the minimum treatment of prisoners.
Political Repercussions
For Israel, the claims risk fuelling international criticism at a sensitive time, given heightened global attention on the humanitarian situation in Gaza. For Sweden, the situation presents a diplomatic challenge, balancing the protection of a high-profile citizen with broader bilateral relations.
Impact on Thunberg’s Movement
For Thunberg herself, the ordeal is likely to amplify her activist voice. Campaigners argue that her willingness to endure detention in support of Palestinians demonstrates her commitment to global justice beyond environmental issues. Critics, however, accuse her of politicising her platform and aligning with causes hostile to Israel.
Greta Thunberg’s allegations of inhumane treatment while in Israeli custody have sparked outrage and renewed debate over detention conditions in the country. While Israeli officials have not confirmed her claims, the details reported to the Swedish foreign ministry paint a disturbing picture: a young activist enduring hunger, bedbug infestations, and psychological stress for taking part in a protest voyage.
Whether or not Israel formally addresses the allegations, Thunberg’s testimony has already drawn international attention, not only to her personal ordeal but to the wider issues of detention conditions, humanitarian solidarity, and the ongoing blockade of Gaza.


