Indonesian authorities on Friday arrested a Malaysia Airlines pilot accused of smuggling more than 26 kilograms (57 pounds) of ecstasy and a package of methamphetamine into Jakarta’s Soekarno-Hatta International Airport.

The pilot had just flown a Malaysia Airlines plane from Kuala Lumpur to Jakarta. and was found to have been under the influence of cocaine and methamphetamine after a urine test.

JAKARTA, July 31 — A Malaysian pilot risks the death penalty in Indonesia after being arrested at Jakarta’s international airport with more than 70,000 ecstasy tablets in his...