Extreme heat grips Northern Hemisphere on summer solstice

SINGAPORE (Reuters) - Extreme heat across large tracts of the Northern Hemisphere raised fears for crops in China, fuelled forest fires in Portugal and Russia's Far East, forced flight cancellations in the Southwest U.S., and melted tarmac on roads in Britain.

from Reuters: Top News http://uk.reuters.com/article/us-global-heatwave-idUKKBN19C0O4?feedType=RSS&feedName=topNews