June 5, 2015 7:45 am Victims' Families Mark 2nd Anniversary of Market Street Collapse Friends and families of victims in the 2013 building collapse will join Mayor Michael Nutter for a remembrance ceremony in Center City Philadelphia Friday. US & World Videos 2:54 UPenn leaders reiterate to pro-Palestinian protesters that they need to disband 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out 0:20 Teen girl shot in Southwest Philly, suspect in custody