UK"s blue-chip index hit fresh 20-month highs on Thursday as miners bounced on relief that property developer China Evergrande averted a default, although a slew of disappointing updates from retailers cast gloom on the sector. Reporting by Bansari Mayur Kamdar and Amal S in Bengaluru; Additional reporting by Joice Alves; Editing by Shailesh Kuber and Andrew Heavens You have reached your article limit Register for FREE to continue using Reuters.com Free registration gives you access to: Unmatched, global, round-the-clock news Hand-picked insights that are easy to find and use Our Daily Briefing newsletter, delivering the day"s headlines right to your inbox Already registered? Sign in