In March, a mother warned other parents about the dangers of free download games after her six-year-old daughter ran up a £900 bill on her iPad - without even needing her iTunes password.
Grace Walker from Cheshire was able to click and buy "virtual gems" to boost her performance in a My Little Pony game at £69.99 a time - running up a bill of over £900 in just 30 minutes.
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Coal's share of the power mix had fallen to 7%, while wind climbed to new highs to provide 15% of the country's electricity.
State Department spokeswoman Heather Nauert said Pence "was ready to take this opportunity."
Opposition activists said government forces have brought in more reinforcements in recent days.