To provide small latch arrangement for a closure such as a lock for an automobile door and a rear part door.

This latch arrangement for releasably restricting a striker 10 has a latch bolt 11 having a form of holding the striker 10 in a restricting position and releasing the striker in a releasing position, a lock member 20 moving between a lock position for holding the latch bolt in a mooring position and an unlocking position for allowing the latch bolt to move up to the unlocking position, means 221 and 222 for linking a lock mechanism to a latch releasing external control part such as a door handle, a driving means 50 connected to the lock mechanism and/or the latch bolt for performing power-like operation for mooring or releasing the lock member and/or driving the latch bolt to its mooring position or the releasing position, and a motor 70 electrically driving the driving means.