Highland Park shooting death toll rises to seven as details of victims emerge

Shooting injured dozens as dead include grandfather Nicolas Toledo, teacher Jacki Sundheim and financial broker Steve Straus

The first details have begun to emerge of the victims of the mass shooting in Highland Park, Illinois, after a lone gunman fired into a crowd of people watching the Chicago suburb's Fourth of July parade.

The shooting killed seven people and injured dozens, triggering panic and shock across the US as yet another attack disrupted what is usually a day of patriotic celebration.