Obama warns Flint water crisis may take two years to fix

US President Barack Obama on Wednesday visited crisis-hit Flint, Michigan, where he sipped filtered water to prove it was potable but warned poisonous lead pipes may take two years to replace. More than 8,000 children are believed to have drunk contaminated water in the hardscrabble northern city, which has become a focus of the 2016 election campaign. "I want everybody in the city of Flint to know that you should have your child checked," Obama said during a meeting with a group of government o