WEATHERFORD, Okla. -- A leaking tanker truck spewed dangerous ammonia gas in a hotel parking lot, forcing hundreds of residents in a small Oklahoma city to evacuate and sending several dozen people to the hospital, authorities said Thursday.

Officials lifted a shelter-in-place order Thursday morning, hours after firefighters wearing gas masks went door-to-door in Weatherford, waking people up and telling them to leave because of fumes from the anhydrous ammonia leak.

The local hospital treated 36 people in its emergency room, said Darin Farrell, president of Weatherford Regional Hospital. One person was admitted in good condition and 10 were taken to hospitals in Oklahoma City, he said. He did not know the conditions of those who were transferred.

Police Chief Angelo Orefice earlier sa

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