 The wife of South Korea's president has been interrogated at length by prosecutors. It's alleged she breached ethics rules by accepting a Christian Dior handbag as a gift. Kim Kwon-hee has also been accused of stock manipulation. Health officials in India's southern state of Kerala have issued an alert after a teenage boy died of the Nipah virus. Nipah is classified worldwide as a priority pathogen because of its potential to trigger an epidemic.