Doors - Morisson, Police - ?

STING
WordClue
DOORSSting - Police, Morisson - ?
POLICEMorisson - Doors, Sting - ?
BEATLESMorisson - Doors, McCartney - ?
STATIONfirst-aid or police
MORISSONPolice - Sting, Doors - ?
INSPECTORpolice rank
MCCARTNEYDoors - Morisson, Beatles - ?
GUARDHOUSEThe building housing military police
MCCARTNEYDoors - Morisson, Beatles - ?
ENTRANCEdoorway, gate