CLEAN: ISAF spokesman says the helicopter crash 'a tragic loss'

The video discusses the ongoing investigation of a crash site, emphasizing the need for security and patience from the local population. It acknowledges the tragic nature of the incident and the continuation of the campaign despite daily losses. The investigation aims to uncover the cause of the incident, with no new weapon types observed on the battlefield. The insurgency primarily uses improvised explosive devices. Future challenges involve coordination with ISF forces.

What sentiments are expressed regarding the tragic loss mentioned in the text?

How are the ISF forces engaged in the ongoing situation?