Vanishing on 7th Street

Vanishing on 7th Street is a 2010 American postapocalyptic thriller film directed by Brad Anderson and starring Hayden Christensen, Thandie Newton and John Leguizamo.

The following morning, news reporter Luke Ryder Hayden Christensen wakes to find that there is no power in the building. After descending from his apartment, he notices that the doorman is missing and the paper is still the previous days edition. People have completely vanished from downtown streets, now littered with abandoned cars and pieces of clothing. He heads to the news station to find his girlfriend, and it is later revealed that he discovered a recording which shows his girlfriend vanishing on air when the lights go out. The only thing he is able to recover is her ring.Three days pass, and Luke is alone trying to scavenge flashlight batteries or other sources of light. He briefly encounters a man who is taken by the darkness, before coming across a bar being powered by a backup generator. The bartenders young son, James Leary Jacob Latimore, allows Luke to enter, followed soon after by another survivor, Rosemary Thandie Newton. ........

Source: Wikipedia