Source: The Great Interpretation of Dreams (Ibn Sirin)
A torn banner in a dream indicates the dispersion of soldiers or the death of a scholar or leader.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A torn banner indicates loss of position or death of the husband.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A torn banner is interpreted as worry and calamity.