The Interior Ministry said in a release Sunday that its security forces had caught one of the suspected killers of the Yemeni pilots.
The 22-year-old arrestee is identified as Dhiaa Abdullah Al-Khalba, alias the "rocket", it said.
Al-Khalba was arrested in a manhunt by security forces in Lahj Province in the south of Yemen, the minister added.
Three military pilots were shot dead by unknown militants in Lahj on May 8 while they were going to work.
