President George W Bush on Monday relaunched his push for sweeping US immigration reform including a "guestworker" programme, and urged Congress to pass a plan this year, according to Deutsche Presse Agentur dpa. Speaking in the southwestern desert city of Yuma, Arizona, near the Mexican border, Bush offered broad proposals that were stalled while his centre-right Republicans controlled Congress until last fall. Immigration reform must include border security, a temporary guest worker programme and practical steps to resolve the status of an estimated 11 million illegal immigrants already in the US without granting them amnesty from prosecution, Bush said. --More