Police were stepping up the search for the killer of Sweden’s foreign minister Anna Lindh, as the stunned nation debated its open security policies for government officials.

A SHOCKED Sweden pushed ahead with plans for a referendum on the euro yesterday despite the murder of Foreign Minister Anna Lindh by a mystery knifeman.

Anna Lindh’s murder as she was shopping unguarded in a Stockholm department store, today evoked harsh criticism of Sweden’s security policy for government officials.