CALGARY -- The father of two young Cochrane, Alta. girls who haven't been seen for three days made an emotional plea Monday for information on their whereabouts. Colin Zak is desperate to find his missing daughters, five-year old Leonine O'Driscoll-Zak and two-year-old Wyatt O'Driscoll-Zak, who were last seen Friday morning at their mom's home near Cochrane. “I’m just so worried about my children,” said Zak. “I don’t know where my girls are. I don’t know if they’re close to here if they’re far. We don’t know if they fled the country.” Court documents describe a "high-conflict parenting dispute" following the couple's separation in 2019.