Dals-Ed
Local reporting said police received two reports of unlawful threats in Dals-Ed tied to the Cat in the Hat TikTok trend; the posts were described as threatening named people at specific schools.
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Cat in the Hat trend reports in Sweden
Verified public-source incidents associated with the 2026 Cat in the Hat trend in Sweden.
30 documented reports · latest October 1, 2026
Örebro
Cat in the Hat threat posts affected several schools in Örebro; the municipality began informing students not to spread the trend after school officials said it was causing concern.
Read incident report →Malmö
Several Malmö schools received police visits during the week as Cat in the Hat reports continued to come in; police said most cases appeared to be pranks and reminded the public that some posts may be unlawful.
Read incident report →Piteå
Piteå municipality filed a police report over a Cat in the Hat TikTok post affecting local schools; officials said it was not a directly targeted threat and no extra school measures were taken.
Read incident report →Uppsala
Additional Cat in the Hat posts involving multiple Uppsala schools were reported to police; officers reviewed them and visited schools, with no increased risk identified.
Read incident report →Sundsvall
Two upper-secondary schools in Sundsvall were named in a threatening Cat in the Hat image warning that the character would take them and that little time remained; police said most trend reports lacked substance but continued receiving school-threat intelligence.
Read incident report →Visby / Solbergaskolan
Solbergaskolan in Visby appeared in Cat in the Hat TikTok posts that included the school building and students; the principal said the school did not assess the posts as a direct threat but consulted police because students could experience them as threatening or harassing.
Read incident report →Södertälje
Police investigated a suspected unlawful threat against a minor tied to the trend, with interviews conducted as the case developed.
Read incident report →Uppsala
A school in the Uppsala area was threatened with a sword attack in Cat in the Hat social-media posts; the municipality acted and police opened an investigation.
Read incident report →Habo
Habo municipality reported Cat in the Hat posts naming local schools to police after the content frightened children; the municipality said it wanted students to feel safe at school.
Read incident report →Varberg
A TikTok post with more than a million views falsely claimed to show a Cat in the Hat figure in Varberg; SVT traced the underlying costume footage to an unrelated 2023 U.S. video.
Read incident report →Halmstad
Seven schools in Halmstad were named in Cat in the Hat social-media posts carrying threatening text; the municipality strengthened school safety with more adults in corridors and tighter visitor routines.
Read incident report →Partille
A Cat in the Hat TikTok post dated September 29 named six schools, including three in Partille; those three schools filed police reports after police advised the municipality to do so, and authorities said there was no concrete danger.
Read incident report →Tidaholm
Sveriges Radio reported that Cat in the Hat threat posts had also been noticed in Tidaholm; local police described the broader school-and-private-person threat trend as serious.
Read incident report →Mariestad
Sveriges Radio reported that Cat in the Hat threat posts had also been noticed in Mariestad; local police described the broader school-and-private-person threat trend as serious.
Read incident report →Karlstad / Frödingskolan
Students at Frödingskolan in Karlstad were named in a Cat in the Hat TikTok video; the school responded and had security guards present during the school day.
Read incident report →Storvreta / Ärentunaskolan
A specific Cat in the Hat trend post targeted Ärentunaskolan in Storvreta and a nearby preschool; the school contacted police and an investigation was opened.
Read incident report →Helsingborg
Police said roughly ten reports targeted schools, people, or locations, including at least one clip interpreted as a possible school-attack threat.
Read incident report →Strängnäs
Threatening clips named schools and individuals; schools increased security and coordinated with police.
Read incident report →Eskilstuna
Schools in Eskilstuna were also reported as targets of the trend, with municipal officials monitoring the situation.
Read incident report →Smedjebacken
A police patrol was sent to a school after students were threatened in material tied to the viral trend.
Read incident report →Karlstad
A threatening post reportedly named a school and multiple students, prompting added security and police involvement.
Read incident report →Norrtälje
Several schools were named in threatening posts; police were informed and a formal report was filed.
Read incident report →Köping
Regional reporting said several schools in Västmanland, including Köping, were targeted by trend-related threats.
Read incident report →Gothenburg
A Gothenburg school was tagged in a Cat in the Hat post, while police were aware of threats involving multiple schools in the region.
Read incident report →Stockholm
National reporting described youths being invited into Snapchat and TikTok groups where Cat-themed accounts allegedly threatened named youths or schools.
Read incident report →Falkenberg
Local reporting described Cat in the Hat trend posts affecting schools and students in Falkenberg, prompting concern and warnings.
Read incident report →Uddevalla
A trend-related social-media account said someone would come to a school in Uddevalla and frighten pupils; the school contacted police and security staff, guards were present, and police filed a report after finding no concrete danger.
Read incident report →Nässjö
Threatening trend clips targeted several primary schools and named individuals, prompting school and police involvement.
Read incident report →Lessebo
A Cat in the Hat post targeting a school in Lessebo frightened students and was reported to police as an unlawful threat; authorities later said the creator described it as a joke and the case was closed.
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