Speed Reads
Sierra Leone stepped up its battle against Ebola on Wednesday with a plan to search house-to-house for infected people and anyone who has come into contact with them. Those infected will be transported to new treatment centers built by the U.K. The West African nation's government also said it would impose new travel restrictions. Sierra Leone has more than half of the 18,000 confirmed Ebola cases, and the rate of infection there has been rising.