Back in June the CPSC announced the recall of some Mirka sanders, The recall has been extended:
http://www.cpsc.gov/en/Recalls/2015/Mirka-Extends-Recall-of-Compact-Electric-Random-Orbital-Sanders/
http://www.cpsc.gov/en/Recalls/2015/Mirka-Extends-Recall-of-Compact-Electric-Random-Orbital-Sanders/