Brussels, January 5 - European Commission spokesperson Margaritis Schinas said Tuesday that "Schengen is under pressure. We are working to bring the situation back to normality through a series of measures. But no one has a magic wand". He said "an effective control of external borders" was needed to safeguard the free-circulation area. Sweden and Denmark this week became the latest members to restore border controls amid a wave of migrant arrivals.