Pope Benedict XIV has arrived in Lebanon with a message for peace in the Middle East. He said the Arab Spring is a 'positive cry for freedom' but it must include tolerance.
He also called for a halt to weapons imports to Syria, saying it was a "grave sin."
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Drink lots of water, stay out of the sun during the middle of the day, and take particular care of vulnerable people.
The 81-year-old has disappeared from his home on the Spanish island on the hottest day of the year so far.
A video shows firefighters hosing off four bulls while they rescued a cow that had become trapped between two trees.