Cyclists have begun racing across the capital as part of the Prudential RideLondon weekend, in one four separate events designed to appeal to riders of all ages and abilities.
Around 50,000 people are taking part in a mass event that saw many of the capital's roads closed to traffic yesterday.
London mayor Boris Johnson was among thousands of others taking part in a 100-mile road race today.
More top news
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.