A man walks on rocks and ashes spewed by the Tungurahua volcano in the outskirts of the village of Cusua, Tungurahua province, Ecuador, Sunday July 14, 2013. Ecuador has issued an orange alert, the second-highest warning level, for towns near the volcano as its level of activity rose and at least 200 people were evacuated from the area, civil defense authorities said.(AP Photo/Dolores Ochoa)

2nd Ecuador volcano steps up eruption

Scientists say lava flow and ash and gas emissions have intensified at a second Ecuadorean volcano, Reventador, as the full-bore eruption of…