Six-year-old non-verbal, autistic boy Arian Arnold went missing in Bremervörde, Germany.

Arian was last seen at home on Monday night, dressed in light clothing with dragon-patterned sweatpants.

Search efforts have expanded, utilizing a Tornado aircraft for aerial thermal imaging and hundreds of personnel.

The community has been called upon to review private surveillance footage and stay alert.

Search operations are ongoing until nightfall, supported by a dedicated hotline for tips.

Bremervörde police have provided contact numbers for any leads on Arian's whereabouts.