BEIJING,July21(Xinhua)--ChinesePresidentXiJinpingonWednesdaydemandedthatauthoritiesatalllevelsmustgivetopprioritytoensuringpeople'ssafetyandproperty,andcarefullyandstrictlyimplementthefloodpreventionanddisasterreliefmeasures.Xi,alsogeneralsecretaryoftheCommunistPartyofChinaCentralCommitteeandchairmanoftheCentralMilitaryCommission,madetheremarksinanimportantinstructionaftercontinuousheavyrainfallhitregionsincludingcentralChina'sHenanProvince,causingheavycasualtiesandpropertylosses.Therainfallhasmadethefloodcontrolsituationverysevere,causingseverewaterlogginginZhengzhouandothercities,waterlevelsinsomeriversexceedingalarmlevels,anddamagestodamsofsomereservoirs,Xisaid,addingthatsectionsofrailwayshavealsobeenshutdown,andsomeflightshavebeencanceled.Xistressedthatauthoritiesatalllevelsmustalwaysputpeople'ssafetyandpropertyfirst,andtaketheleadinfightingthefloods.Heorderedauthoritiesatalllevelstopromptlyorganizefloodpreventionanddisasterreliefforces,properlyaccommodatethoseaffected,strictlypreventsecondarydisasters,andminimizecasualtiesandpropertylosses.ThePeople'sLiberationArmyandthePeople'sArmedPoliceForcemustactivelyassistlocalauthoritiesinemergencyrescueandreliefwork,saidXi.HeurgedtheStateFloodControlandDroughtReliefHeadquartersandtheemergencymanagement,waterresourcesandtransportministriestoenhancecoordination,locatehiddendangers,andshoreuptheprotectionofmajorinfrastructure.Relevantdepartmentsshouldalsoimprovethesystemforearlywarningsandforecastsofrainfall,typhoons,mountaintorrentsandmudslides,stepupeffortsontrafficmanagement,andtakedetailedandpracticalfloodpreventionanddisasterreliefmeasures,saidXi.Healsostressedtheneedtotakesolidmeasurestoassistthoseaffectedbythefloods,andtostrengthenhygieneanddiseasecontrolsoastowardoffepidemicsandpreventpeoplefromreturningtopovertyduetodisasters.