Often used metaphorically to describe non-physical attacks, such as verbal criticism or media backlash.

Metaphorical use

The phrase may imply criticism that's harsh or not entirely justified.

Not always fair

Commonly used in news and journalism to report controversies or disputes.

In a literal military context, it refers to the real danger of being shot at.

Used to describe a situation where active combat is taking place.

Can imply a sudden or unexpected attack in a military engagement.