Police have launched an investigation after "No Whites Allowed" graffiti was sprayed on walls in several locations across Birmingham. <br /><br />The messages appeared in the Alum Rock suburb of the city, including on the side of a primary school, at the end of last week. <br /><br />West Midlands Police said officers had now stepped up patrols in the area and urged anyone with information about those responsible to get in touch. <br /><br />CCTV had captured a hooded man spraying 'No Whites' on the side of Shaw Hill Primary School before similar slurs appeared on Langton Road and Farndon Road.
