Roma (193) — the same event in Cassius Dio and Herodian, History of the Empire

Cassius Dio: Before entering Rome, Severus surrounded the praetorians who had killed Pertinax, stripped them of arms and horses and expelled them…

What each source says

Cassius Dio, Roman History · AD 193 · Roma

Before entering Rome, Severus surrounded the praetorians who had killed Pertinax, stripped them of arms and horses and expelled them from Rome

and then relieved them of their arms, took away their horses, and banished them from Rome.
Location: 75(74).1

Herodian, History of the Empire · AD 193 · Rome

Severus has the praetorians come out unarmed with only laurels, encircles them with spears and rebukes them, then strips them of arms and belts and drives them out.

But as they were gathering about him with loud unanimous Acclamations, they were all, at a Sign given, taken into Cuftody.
Location: 2.13

Place: Rome

Show on the map — open Cassius Dio, Roman History