Elderly woman missing after massive Dallas condo fire

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DALLAS -- Unbelievable video as a fireball rips through a condominium complex in North Dallas.

And as of Sunday evening, one person remains unaccounted for. Police need the public's help finding 89-year-old Jacqueline McDonald, who has dementia.

missing

She was last seen Friday night around 11:30 -- about the same time crews were called to Preston Place Condos on Northwest Highway near Preston. The fire quickly escalated to seven alarms. In the end, all 60 units are destroyed, leaving more than 100 people homeless.

It took firefighters hours to get this thing under control. No word yet on what started this fire in the first place.