Africa News Tonight: The international medical aid group Doctors Without Borders (MSF) says thousands of people fleeing conflict in Sudan and seeking safety in Chad’s eastern border provinces may lose access to vital humanitarian and medical aid when the impending rainy season begins. The Greek Shipping Ministry says at least 78 people drowned today in the Aegean Sea after a large fishing vessel carrying migrants sank off the southern coast of Greece. And, it’s been a year since armed men in Nigeria’s southwest Ondo state rushed into St. Francis Xavier Catholic Church during a Mass and attacked worshippers, killing 41 people and injuring scores of others. For this and more, stay tuned to Africa News Tonight!