The public memorial for Charlie Kirk, the conservative activist and close ally of President Trump who was assassinated last week, will take place in Arizona on Sunday morning.

Plans for the Sept. 21 event were still being finalized, but a shortage of parking is a virtual certainty said Jose Santiago, a spokesman for the Glendale Police Department.

The suspected shooter, publicly identified by authorities as 22-year-old Tyler Robinson, was taken into custody Thursday night, Sept. 11, more than 24 hours after Kirk's killing, and faces seven felo...