  Domain walls in three-dimensional Weyl semimetals, formed by localized
magnetic moments, are investigated. There appear bound states around the domain
wall with the discrete spectrum, among which we find "Fermi arc" states with
the linear dispersion. The Fermi arc modes contribute to the electric charge
and current localized at the domain wall, which reveal a universal behavior
depending only on chemical potential and the splitting of the Weyl nodes. This
equilibrium current can be traced back to the chiral magnetic effect, or the
edge counterpart of the anomalous Hall effect in the bulk. We propose a new way
to manipulate the motion of the domain wall, accompanied with the localized
charge, by applying an external electric field.
