Some Hong Kong employment and travel companies have warned that air traffic in Jakarta could continue to face disruptions even after the Indonesian capital’s international airport reopened following a volcanic eruption that spewed ash into the sky, as airlines work through a backlog. GLC (Manado) Employment Service founder and director Chu Shek-yin told the South China Morning Post that he would not rush to book an air ticket for his client’s helper despite the resumption of operations at all...