Police have warned parents and schools to be on high alert after a motorist abducted a 12-year-old girl.The girl, who managed to escape unharmed, was pulled into a dark green car in Erdington, Birmingham, before being driven to the Nechells area of the city, West Midlands Police said.The driver, a white man in his 30s wearing glasses, was originally thought to have been responsible for a second attempted abduction of a nine-year-old girl in Alum Rock, Birmingham.But police have said they are no longer connecting the two incidents.A five-door vehicle is thought to have been involved in the incident on Monday in Erdington.Anyone with information which could assist the inquiry should contact Queens Road CID on 0845 113 5000.A police spokesman said: "A 12-year-old girl was walking along the road when a dark green saloon vehicle pulled up alongside her."The male driver opened the passenger door and pulled her into the vehicle and drove away."The girl managed to escape unharmed a short time later in the Nechells area."Detective Chief Inspector Ron Winch, the crime manager for the local area, said: "These are two very serious incidents and we are appealing for help from the public to trace the persons responsible."After speaking to a number of significant witnesses we are now following the line of inquiry that these two incidents are not linked, due to different descriptions given of the offenders for the attempted abduction and abduction."Officers have visited local schools to issue descriptions of the cars and offenders, as well as offering safety advice to youngsters."Detectives investigating these incidents will, as a matter of course, be examining CCTV in the search further information," Mr Winch said."Patrols will also be increased in the affected areas to reassure members of the communities concerned."© Independent Television News Limited 2008. All rights reserved.