POSTED: Sunday, April 28, 2013 - 2:26am
UPDATED: Sunday, April 28, 2013 - 2:33am
Harris County, TX (CNN) — Severe flooding swept through Harris County on Saturday.
Heavy rain and hail made it difficult for people to travel on the roads.
The National Weather Service issued severe weather warnings for the Houston area.
Houston Metro said many buses and the train were out of service.