i cant open my door with my key it want even turn. what is the problem on 2001 Land Rover Discovery

i went in the house for about 20min. and came out side to get in my car and i could not open the door

by in Greensboro, NC on December 08, 2011
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2 answers
ANSWER by , December 08, 2011
lock cylinder locked up or the latch has failed. get a shop to check and confirm. Roy
ANSWER by , July 14, 2015
Possibly a tumbler wafer in the lock itself has broken