The world's largest humanitarian crisis in 70 years has been declared in three African countries on the brink of famine.

The four “S’s” call us to be worthy of the privilege of serving the brothers and sisters God entrusts to our care.

Francis wrote, "our human family is beset by grave humanitarian crises demanding farsighted and united political responses."

Efforts to respond to the global crisis of migration are straining budgets not only at humanitarian agencies like Catholic Relief Services but among nations near points of flight.

He prayed for people across the globe, and especially for the people of Aleppo.

The death toll in Haiti had exceeded 370.