Ecuador's Tungurahua volcano spews lava and rocks
Ecuador's Tungurahua volcano erupted three times over the weekend, sending huge clouds of ash and smoke into the sky, authorities said.
Two moderate explosions on Saturday were followed by a third, bigger blast.
Local reports say the blast created a column of ash of about 8km (5 miles) above the volcano, which which lies 135km (85 miles) south-east of the capital, Quito.