At least 27 people are dead following a string of landslides in the mountains of Brazil's Rio de Janeiro State.<br/> <br />Hundreds of homes have been destroyed in the mudslides, which were brought on by heavy rains.<br/> <br />Seventeen inches of rain fell here in just 24 hours - that's almost double the average for March.<br/> <br />Rescue workers have been working around the clock, searching for survivors and bodies.<br/> <br />The risks of avalanches in areas like this are particularly high - and authorities have vowed to take "more drastic" measures to stop people from building homes in dangerous areas.<br/> <br />Some residents, too, have decided to pack up and leave, saying they no longer wish to put their families at risk.<br/> <br />Floods and landslides killed about 1,000 people in the region in 2011, in Brazil's worst natural disaster on record.<br/> <br />Projects promised by local authorities since then haven't materialized, though warning sirens installed in the region have helped to reduce the number of d