Iraqi security forces have said they forced down a microlight aircraft near the Kuwaiti border headed to the emirate from Iran with one million pills of the amphetamine-type stimulant captagon. Captagon has been sweeping the Middle East for years, with large seizures reported weekly, particularly in the oil-richGulf Arab states which are its biggest market. The Federal Intelligence and Investigation Agency said the microlight entered Iraqi airspace from neighbouring Iran on Friday. It said agents were alerted to the flight by a tip-off and opened fire on the aircraft. “That forced the pilot to…