The Niagara Regional Police Service is asking the public for help in locating a missing 23-year-old woman. Laura Heather McIntosh was last seen at her home on Effingham St. near Tice Rd. in Pelham, Ont. after being dropped off by a friend at 4:30 p.m. on Sunday.She is described as six-feet tall, with a medium build, purple hair and a pierced septum. Anyone with information on her whereabouts is asked to contact Niagara police 3 District in Welland at 905-688-4111 ext 3300.