France on maximum alert after fatal attack at church in Nice

An attacker armed with a knife killed three people inside a church Thursday in the Mediterranean city of Nice, French authorities said, prompting the country to raise its security alert status to the highest level. It was the third attack in two months in France that authorities have attributed to Muslim extremists, including the beheading of a teacher. It comes amid a growing furor over caricatures of the Prophet Muhammad that were republished by the satirical newspaper Charlie Hebdo -- renewin