Police Foil Plot to Carry Out Valentines Day Killing Spree at Mall: Official

TORONTO (AP) -- A senior police official says police foiled a plot by two suspects who were planning on going to a mall and killing as many people as they could before killing themselves on Valentines Day in Halifax.

The official said Friday the suspects were on a chat stream and were apparently obsessed with killing and death and had many photos of mass killings.

The official said one of the two suspects, a 23-year-old American woman from Geneva, Illinois, was arrested at Halifax's airport and confessed to the plot. The official said she tweeted a number of pronouncements to be tweeted after her death.

The official also said the 19-year-old male suspect shot himself after police surrounded his parent's home. The official spoke on condition of anonymity because they were not authorized to speak publicly.