Hazmat crews checked the area but nothing was found regarding a chemical release.
Few details have been released about the incident.
President Bush was not in the White House at the time -- he's at Camp David.
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WEB PRODUCED BY: Lakisha Bostick
Early hazmat incident at the White House
WASHINGTON Just before 1:00 a.m. fire crews were called to the grounds of the White House. According to initial reports, there was a possible leak or release of chlorine in a gardening or maintenance shed near the tennis courts.
