Bellator fighter and Dutch kickboxer Robin van Roosmalen has been hospitalized after being seriously injured in a car accident that killed his sister. Van Roosmalen, a former Glory lightweight and featherweight champion, was involved in a car accident in which his car was hit by a truck Wednesday in Nieuwegein, Netherlands. Roosmalen sustained serious injuries and was hospitalized, according to Vechtsports. His sister Melissa, 29, died in the crash. No further details on van Roosmalen’s condition are available as of this writing