Multiple fatalities in New Zealand mosque shootings; 4 held

CHRISTCHURCH, New Zealand -- Multiple people were killed in mass shootings at two mosques full of worshippers attending Friday prayers on what the prime minister called "one of New Zealand's darkest days," as authorities detained four people and defused explosive devices in what appeared to be a carefully planned attack. Prime Minister Jacinda Ardern said the events in Christchurch represented "an extraordinary and unprecedented act of violence" and acknowledged many of those affected may be mig