The group used a drill adapted from a car wash to cut into the Khumbu glacier in the foothills of Everest.
The amount of hydrogen peroxide was almost 60 times higher than the legal limit.
People are generally happy with public services but council ratings varied greatly, according to a survey.
Jonny Sexton and Owen Farrell are named in the British and Irish Lions team to face the All Blacks in Saturday's second Test.
Jade Jones talks to BBC Sport in South Korea ahead of the start of her World Championship campaign.
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