The footage is automatically deleted once the 31 days have passed, unless we have received a formal request for the footage, or it is relevant to an ongoing investigation.
Caiff y recordiadau eu dileu'n awtomatig ar ôl i’r 31 diwrnod fynd heibio, oni bai ein bod wedi derbyn cais ffurfiol am y recordiadau, neu eu bod yn berthnasol i ymchwiliad parhaus.