A huge power outage has hit the Indonesian capital of Jakarta,... causing traffic chaos and disrupting mobile networks.<br />The blackout began on Sunday,.... just before noon, local time.<br />The state power company said the outage was due to technical issues.<br />Passengers were left stranded as commuter lines came to a halt.<br />However, the city's international airport and public hospitals stayed open thanks to back-up generators.<br />Blackouts are frequent in Jakarta, but Sunday's was unusually long at nearly 12 hours.<br />