Cologne (dpa / lnw) – A daycare worker is said to have set several fires at her daycare center in Cologne. The 55-year-old was arrested on Friday, police and prosecutors said. The woman is strongly suspected of having set fire to the day care center eight times since the beginning of August. Every night she is said to have set fire to a shed, garbage cans or a carport on the building. Evidence was secured during a search of her home and her workplace. The motive for the crimes is not yet clear, according to police.