Possible Clues:

• Result of a handshake, maybe
• Peace agreement
• Loyal Conservative seeks refuge, wanting a bit of peace
• Many involved in genuine cease-fire
• It's symbolized by a white flag
• It's actual when start of ceasefire comes in
• When shooting wraps up?
• It may be called on the battlefield
• Note police going inside during suspension of hostilities
• Brief return to peace at last?