CLEAN : Philippine military detains two militants accused of killing foreigners

The video discusses various kidnapping cases linked to the Abu Sayyaf group, highlighting their involvement in high-profile abductions and executions, including the kidnapping of a German national in 2017 and the beheading of a Canadian national. It also covers the group's history of kidnapping 21 Malaysians, Westerners, and U.S. citizens in 2001. The video concludes with a discussion on the community's landscape and the challenges faced in addressing these issues.

Summarize the actions taken by the Abu Sayyaf group in 2001 as described in the text.

What challenges are mentioned in the text regarding the current situation?