5 stories to follow: Sept. 20

Happy Friday. Here's a quick look at five stories to know about before the weekend hits.

1. Pot protest: Marijuana activists are planning another rally at Independence Mall this weekend, and federal prosecutors are warning of "serious penalties" for those who violate drug laws at the Old City site.

2. No house-arrest party for Fumo: Former State Sen. Vincent Fumo had planned a get-together for this weekend at his Fairmount mansion, but plans for the party have now been nixed. Fumo is serving house arrest after his release from federal prison. The event was canceled after prison officials weighed in with concerns.

3. New iPhones: The latest versions of Apple's iPhone, the 5s and 5c, will be available to customers starting today. Here are some tips and tricks for the new phones and Apple's new operating system, iOS7, which current iPhone users started downloading this week.

4. E. Steven Collins memorial: A public memorial service for Philadelphia radio personality E. Steven Collins will take place Saturday at Sharon Baptist Church. Mayor Nutter, Radio One founder Catherine Hughes and others are slated to attend.

5. New tax-abatement plan: City Council is considering a new tax-abatement bill that would eliminate the abatement on the 55 percent of property taxes that go the the Philadelphia School District.