FORMER US vice president Al Gore welcomes a decision by police in Portland to reopen an investigation into a massage therapist’s allegations that he groped her at a hotel four years ago, according to a spokeswoman for the Nobel Peace Prize laureate.

Former US vice president Al Gore welcomes a decision by police in Portland to reopen an investigation into a massage therapist's allegations that he groped her at a hotel four years ago, according to a spokeswoman for the Nobel Peace Prize laureate.