Mourning and joy for Egypt's Christians as Pope visits

What you need to know:

  • In a Cairo Church amid wafting incense, strident percussion and prayers, worshippers are looking forward to the Roman Catholic pope's arrival on Friday, seeing his two-day trip as one of support for their minority community.
  • It will be the Argentine pontiff's first visit to the Arab world's most populous nation where the population is 90 percent Muslim.