brussels eu executive say wednesday ready institute court proceed within weeks could lead fin poland hungary czech republic refuse take asylum-seekers italy greece speak reporters eu top court european court justice ecj uphold legality quotas state take migrants relocate mediterranean migration commissioner dimitris avramopoulos say member state relocate long time change approach come weeks consider take last step infringement procedure take poland hungary czech republic european court justice ecj power levy financial penalties governments fail comply eu law eu threaten hungary poland fin refuse refugees