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EL CAJON, Calif. — A three-year-old girl was killed in a single-vehicle crash, and her mother remained jailed Sunday for driving under the influence of drugs and suspicion of felony gross vehicular manslaughter, police said.

Brandy Teague, 31, or San Diego, may have fallen asleep moments before her small sedan went off Broadway between First and Second streets, in central El Cajon, and hit a power pole, El Cajon police said. Her silver 2010 Hyundai Accent left the straight roadway, struck the south curb then hit the pole.

“The driver may have fallen asleep behind the wheel before the (crash) occurred,” Lt. R. Soulard said.

Three children, ages 2, 3 and 10, were badly hurt and taken to Children’s Hospital.

“The 3-year-old passenger was pronounced dead as a result of her injuries shortly after arrival,” Soulard said. “The other two children were admitted with serious, but non-life threatening injuries.

Some neighbors rushed to the scene of the crash, while Teague’s oldest child ran looking for help.

“The little boy was crying and he ran into our house. My girlfriend provided assistance to him as far as calming him down. His face was bloody and he had a laceration to his eye. He had glass stuck in it. I’m presuming he was sitting in the front passenger seat,” Josh Petrick, a neighbor, said.

“The driver complained of pain and was taken to Sharp Hospital,” Soulard said.

Teague was later arrested and booked into Las Colinas Women’s Detention Facility on suspicion of several charges including gross vehicular manslaughter, felony child endangerment, possession of a controlled substance and driving while under the influence of drugs.

Teague was also cited for driving on a suspended license, Soulard said.

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