Sixteen migrants remained missing at sea a day after Spain’s coastguard rescued a boat off the Canary Islands carrying around 40 survivors and a dead body, a government spokesman said Thursday. “According to testimony from the 40 migrants who were rescued… another 16 people fell into the water off Fuerteventura,” the spokeswoman told AFP, referring to one of the islands on the Atlantic archipelago. Sources in Salvamento Maritimo, Spain’s coastguard, also confirmed that 16 people were said to have gone missing from the boat they rescued, which was carrying 41 survivors and the body of a perso…