Boymissing,policepuzzled 　　Policeinamericahavesteppeduptheirsearchforafifteen-year--oldboywhowentmissingtwodaysagoinDover,NowHampshire,Peoplehaveshowngreatinterestinhisdisappearanceduetosightingsofpuzzlinglightsintheskyandreportsofalienvisitsaroundthetimeofhisdisappearance. 　　JustinFoster,ahighschoolstudent,wentmissinglastFridaynight.Atfirst,Justin’smother,whowenttosleepearlythateveningbecauseofaheadache,thoughtthattheteenagerwasspendingthenightwithafriend.MrFoster,whowasworkingthatnight,wassurprisedthathissondidnottellanyonethathewasstayingoutlate.WhenJustindidnotshowupatthefamilylunchthenextday,MrsFosterbecameworriedandtoldherhusbandtocallthepolice. 　　However,policefoundthatJustindidinfactreturnhomeonFridaynightatabout11p.m,Thateveningat8p.m.,Justinlefthometoplaybaseballwithtwofriends,whobothsayJustinwenthomeafterthegame.WitnessesalsosaytheysawJustinwalkingtowardshishomeat10.45p.m.