sempre pag 268, lo stesso paragrafo
An immediate reaction might interrupt other
actions a combatant takes after its triggering action.
For example, if a power lets you attack as an immediate
reaction when an attack hits you, your action
happens before the monster that hit you can take
any other action. If a monster has a power that lets
it make two attack rolls against you as a standard
action, and the first one hits, you can use an immediate
reaction before the next attack roll.
ripeto, secondo me non può attaccare.