( CNN ) -- The father of a missing 11-year-old girl New Hampshire girl pleaded for her safe return Sunday , six days after she was last seen in her home . Local , state and federal investigators continue to look for Celina Cass , with searches being conducted `` by air , by land , by water '' in and around the girl 's hometown of West Stewartstown , New Hampshire Senior Assistant Attorney General Jane Young said Sunday . She noted that authorities , which include FBI members , had received more than 400 leads as of early Sunday evening but , `` at this point , we still have not discovered Celina . '' The community of about 1,000 people borders Vermont , and is also very close to the Canadian border . `` We are working tirelessly to bring her home , '' Young said . The girl 's father , Adam Laro , said Sunday that he 's recovering after being recently released from the hospital -- sending a message to his girl that `` Daddy is OK now , I 'm getting much better . '' He did not detail why he had been hospitalized . He added that he , like others , is `` wondering where my daughter is '' and hoping she is safe . `` Whenever you want to come home , Celina , Daddy will be here waiting for you , '' Laro said . Celina was last seen in her room , at her computer , at about 9 p.m. Monday night , according to police . WMUR reported that her parents told authorities the girl was gone when they went to wake her up Tuesday morning . Friends have set up a Facebook page , `` Missing Celina Cass , '' with one of the fliers serving as a profile picture . According to the flier , Celina is 5 feet , 5 inches tall and weighs 95 pounds , with long brown hair and brown eyes . She was last seen wearing a pink shirt , pink pullover and blue shorts . Young said Sunday that investigators consider this a `` missing persons '' case . Authorities have offered few further details on the case , and an Amber Alert has not been issued . Among other pieces of potential evidence , Young has said investigators are looking at computer and phone records , trying to find clues .
Celina Cass , 11 , was last seen last Monday night inside her home . Authorities have gotten over 400 leads , but still do n't know where she is . Score: 6 Daddy will be waiting ''