Is a witness whose identity is unknown cited as evidence?

The questioner : The second question is about a witness whose identity is unknown: is he cited as evidence?

The Shaykh: No.

The questioner : Okay.

The Shaykh : As a general rule, he is not cited as evidence.

The questioner : As a general rule, but in terms of practical application.

The Shaykh : However, in practice, he may be cited as part of the other witnesses.

The questioner : But if he is unknown in identity, and unknown in identity, he is not cited as evidence.

The Shaykh : He is not cited as evidence.

The questioner : What about a witness unknown in identity and another chain of narration that has a break?

The Shaykh : The same applies.

The questioner : Okay.