RIVER FOREST, Ill. (CBS) — River Forest Police are looking for a woman they believe was trying to abduct two children from Sunday school at a church.

According to the River Forest Police, a woman, possibly of Asian descent, approached a Sunday school childcare worker and said she was there to pick up two small children.

The woman is described as being no taller than 5 feet and 30 to 35-years-old. She was told the children were busy and could not leave.

According to police, the woman said she was their mother and became upset. The childcare worker said he knew she was not their mother and the woman left.

Police say they are looking for her and are increasing patrols in the area.