A man wielding a large knife killed two women and injured several other people at an Ismaili Muslim center in Lisbon, and Portuguese police said they were investigating Tuesday s stabbing attack as a possible terror act.
 Portuguese police accused an Afghan refugee of stabbing two women to death on Tuesday at an Islamic centre in Lisbon before being shot by officers in what authorities called an "isolated" incident. Officers were called to the centre just before 11:00 am (1000 GMT) where they encountered a man "armed with a large knife", a police statement said. Officers ordered the man to
Investigators said Wednesday they had uncovered no indication a knife attack that left two women dead at a Lisbon Islamic center was terror-related.The