A federal judge has blocked key parts of Arizona’s strict immigration law, hours before it takes effect. The judge issued a temporary injunction against a requirement that police check the immigration status of criminal suspects they had stopped while enforcing other laws. Read the full story

Tens of thousands of people have joined protests in the US against a controversial anti-immigration law introduced in Arizona. Read the full story

An anti-immigration law condemned as a licence for racial profiling is expected to come into force in Arizona within the next 48 hours. The law would be the first in the US to give police the power to stop citizens and demand proof of legal residence in the US merely on suspicion of not carrying appropriate papers. Read the full story