Southern Algarve head of police, inspect...

Lagos, PORTUGAL: Southern Algarve head of police, inspector Olegario de Sousa speaks during a press conference 10 May 2007 in Portimao about three-years old British Madelaine McCann who disapeared in Praia da Luz, southern Portugal. Investigators have shown residents photographs of two men and one woman taken by a petrol station surveillance camera the night of the girl's disappearance, newspapers Correio da Manha and 24 Horas reported. The parents of missing Madeleine McCann say they are trying to stay positive as they enter the seventh day since their three-year-old daughter disappeared from a resort in southern Portugal. Kate and Gerry McCann thanked the hundreds of police and volunteers searching for the girl. Detectives fear she may have been abducted. AFP PHOTO / VASCO CELIO (Photo credit should read VASCO CELIO/AFP via Getty Images)