A wounded soldier from the November 8 clash in southern Philippines.
The government troopers seized firearms, cellular phones and personal belongings from the two.
Sanajalun was allegedly involved in a series of killings of military and police personnel, retailers and foreign nationals in the Philippines.
Founded in the early 1990s by Islamic extremists, the ASG is known for a series of kidnappings, bombings and bloodshed killings across southern Philippines in the past decades.
