CHICAGO (CBS)– The FBI is offering a reward of up to $10,000 for information about a missing Gary woman who may be in danger.

According to the FBI Indianapolis field office, Sidne-Nichole Buchanan, 27, was last seen at a concert in Tinley Park and was reported missing on July 27.

Officials said it is believed Buchanan was kidnapped.

The 27-year-old was last seen wearing a purple dress, a blue denim jacket and clear wedge shoes, according to FBI officials. Buchanan, is 5 feet, 1 inch tall and weighs 135 pounds and has tattoos on both forearms.

Anyone with information is asked to contact a local FBI office.