Villingen-Schwenningen (dpa/lsw) - Three residential buildings burned in the city center of Villingen-Schwenningen (Schwarzwald-Baar district). Around 40 people live in the buildings, a police spokesman said on Wednesday. According to initial information, all residents were rescued unharmed. The fire broke out in one house on Wednesday and spread to the other two. The fire brigade was on site with a large contingent. The damage caused and the cause of the fire were initially unclear.