A house in Pretoria West was allegedly set alight by foreign nationals illegally occupying it - this after they were evicted on Monday.Tshwane Metro Police Department (TMPD) spokesperson Superintendent Isaac Mahamba told News24 they were assisting the owners of the building with an eviction order in Luttig Street when the fire was started."We accompanied the service provider for possible evictions of people who occupied the house. Somehow they started a fire with the intention of burning the house down."Mahamba said they called the fire department to extinguish the fire to keep it from spreading to other buildings in the area."[The fire was extinguished] successfully and without any injuries being reported," he added.The TMPD said no arrests have been made.Tshwane Fire Department spokesperson Deputy Chief Charles Mabaso told News24 the cause of the fire had not yet been established."Upon arrival, a house with about seven to eight rooms was burning," he said. "We managed to extinguish the fire, but it was almost completely destroyed. The cause is not clear, but an investigation has been launched," Mabaso added.