09 Jan 2021 / 20:25 H. (Adds rescue official says debris found, background, relatives at airport) By Fransiska Nangoy and Agustinus Beo Da Costa JAKARTA, Jan 9 (Reuters) - A Sriwijaya Air plane thought to have 62 people on board lost contact after taking off from Indonesia's capital Jakarta on Saturday and rescuers said suspected debris had been found in the sea off the city. The Boeing 737-500, en route to Pontianak in West Kalimantan, lost contact shortly after taking off just after 2.30 p.m. (0730 GMT), a search and rescue official told local television. There were 56 passengers on board,...