key gets stuck in the ignition will not come out what is the problem on 2007 Ford Fusion

key gets stuck but when i pull the ignition fuse it releases the key

2 answers
2006 Ford Fusion 99,000 miles. Key stuck in ignition. Used my thumb, pushed and quickly released (snapped) button on shifter knob a couple of times. This released key. Put key back in ignition and removed several times. It worked!!
POSS IGN LOCK ISSUE THIS YR FORD HAD THIS PROB WITH KEY AND TUMBLER ASSM. SEEK A LOCKSMITH AND HIS OPINION