Again, there is always, annually, as well as other moments -- predictable moments on the calendar, measures taken, precautions taken with regards to security both at our facilities abroad, but, of course, here in the United States.

WHITEHOUSE: Press Briefing

The General Bishop of the Coptic Orthodox Church in Britain, Bishop Angaelos, said that he had discussed the threats with fellow bishops across Europe and that precautions taken after earlier attacks had been heightened.

BBC: Coptic churches in Europe report attack threats

Doctors, especially Muslim ones with experience of the haj, are urging that more precautions be taken to reduce some avoidable health risks not just to participants in the pilgrimage, but also to people they may infect on their return.

ECONOMIST: Health and the haj