adam hancock reports.d rainfall and with more bad weather forecast, six more towns and cities are being evacuated in the south—west of iran. people living alongside the swollen karkeh river are currently most at risk, and those forced from their homes willjoin the tens of thousands already displaced. the extreme rains began in mid—march, affecting nearly 2,000 villages, towns and cities. here, in the north—eastern city of mashhad, rats have been seen evading floodwaters on the streets, and the city's religious sites have been battered by the relentless downpours. some have resorted to digging holes in the road to try and drain the water. aid agencies are struggling to cope with the scale of the crisis. the country's elite revolutionary guards have been assisting with the aid efforts. able—bodied men have been asked to help with the rescue operations, while everyone else in the at—risk areas has been advised to head for higher ground. some of those whose homes have been affected are growing frustrated with