The RCMP say they are working “day and night” on the disappearance of two Nova Scotia children who have been missing for almost two weeks. To date, police say they have received more than 180 tips from the public and those are being followed up on. Six-year-old Lily and four-year-old Jack Sullivan were reported missing May 2 from their home in Lansdowne Station, 30 kilometres away from New Glasgow, N.S.