Police say they are working day and night to find four-year-old Jack and six-year-old Lilly Sullivan, who went missing on May 2nd from their home in Pictou County. RCMP say they have received more than 180 tips and have 35 formal interviews scheduled with community members and people close to the children. Late last week, underwater recovery teams searched bodies of water around Lansdowne Station but did not find any evidence. The Mounties say all avenues are being explored.