Joshua Micah Marshall, editor and publisher of US political blog Talking Points Memo, has received the George Polk Award for legal reporting and becomes the first blogger to do so.

Marshall won the award, which have been handed out by Long Island University since 1949, for his coverage of dismissals of United States attorneys, which were found to be politically motivated.

• NYU: List of 100 outstanding US journalists of last 100 years
• NYTimes.com: Polk award for anonymous video of Iranian protestor Neda’s death
• New York Times takes two wins at George Polk Awards
• Guardian wins top sports award with multimedia coverage
• Property Week journalist takes top prize at PTC New Talent Awards