Morocco’s navy has intercepted 257 migrants at sea in four days, state media reported Tuesday, two weeks after at least 23 migrants were killed in a border stampede. “Navy coast guards on maritime patrol in the Mediterranean and the Atlantic, rescued… 257 people attempting irregular migration, having attempted a perilous crossing aboard makeshift boats, kayaks and even swimming,” said the unnamed military official, quoted by the official MAP news agency. Most came from African nations, but also included an Afghan and a Yemeni, it reported, adding that they were brought “safely” to shore. The…