Alaska Statutes Title 11. Criminal Law § 11.41.500. Robbery in the first degree

(1) is armed with a deadly weapon or represents by words or other conduct that either that person or another participant is so armed;

(2) uses or attempts to use a dangerous instrument or a defensive weapon or represents by words or other conduct that either that person or another participant is armed with a dangerous instrument or a defensive weapon; or

(3) causes or attempts to cause serious physical injury to any person.