HOUSTON -

Two Atascocita girls at the center of an Amber Alert were found safe and their father, who's accused of pistol-whipping their mother, was taken into custody.

The alert was issued at around 9:45 p.m. Friday for 2-year-old Faith Adams and 4-year-old Heidi Adams. Police say the girls were taken by their biological father, Charles Adams, after he pistol whipped his wife.

The wife ran out of the house to call police from a neighbor's, leaving the girls with their father.

When Harris County Precinct 4 Constable deputies arrived on scene they couldn't find the father and weren't sure if he was still in the house with the girls or not.

"Obviously, whenever you have kids involved you're very concerned," said Lt. Walter Stenslend with Pct 4. "Their safety is the most important thing right now."

Deputies said the father wasn't answering calls and SWAT team members attempted to contact him through a blow horn in the neighborhood but had no luck.

Investigators said they couldn't send a police dog into the house because of the possibility kids were inside. Lt. Stenslend told Local 2 they had to handle the situation very delicately but after a few hours they determined the father and the girls were gone. 

An Amber Alert was then issued  after investigators became concerned about the safety of two young girls and feared they were in "grave danger" because Adams has a history of violent behavior and is known to carry a gun.

The alert was canceled at around 11 p.m. after the girls were located safely and Charles Adams was arrested.

No other details were released about the arrest.