. >> there was cheering at the headquarters of the swiss people's party, the right wing s dp persuaded 30% of voters to limit immigration from eu states. the swiss government is required to issue immigration caps in three years. it shows how divisive the immigration debate has become. more people looking for work than there are jobs. >> i think the swiss economy needs all these people coming from abroad. and that's one part. in the second part, of course, it will be very bad -- to europe. >> but it may have said switzerland on a collision course with leaders in brussels. and it's just what opponents have pretty good. >> -- have predicted. >> it is painful because we do not know what the future will bring. we will have to work with europe and examine the implications. >> switzerland is not a part of the eu, but it has signed treaties ensuring close ties. among those are agreements that open borders. the referendum means that treaties will have to be renegotiated. >> our correspondent joins us on the line from geneva. andreas, this result came as a bit of a surprise. what swung it? not s