Searing heat and water quality issues have dogged Tokyo 2020 organisers in recent weeks but delegates to a Chef de Mission seminar on Tuesday said they are confident their hosts will find solutions ahead of next year's Summer Olympics.

NOCs confident Tokyo 2020 can overcome heat, water quality issues

Authorities said conflagration has spread to about 30,000 acres, is only 5% contained so far

Two die in central California wildfire

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NOCs confident Tokyo 2020 can overcome heat, water quality issues

Two die in central California wildfire