This handout picture released by the Italian Navy (Marina Militare) shows a rescue operation of migrants and refugees at sea, off the coast of Libya, on June 23, 2016. Some 5,000 migrants were rescued from rubber dinghies in the Mediterranean on June 23, 2016, the Italian coastguard said, averting another potential high seas disaster. A coastguard spokesman said it appeared many people had left the Libyan coast to attempt the perilous voyage across the sea to Europe during a spell of good weather. / AFP PHOTO / MARINA MILITARE AND AFP PHOTO / HO / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / MARINA MILITARE" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS HO/AFP/Getty Images

TOPSHOT - Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

TOPSHOT - Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

TOPSHOT - A woman sits with her belongings in front of the rubble of her destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

TOPSHOT - Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

TOPSHOT - Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

A woman sits with her belongings in front of the rubble of her destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images