How many people were wounded in the fighting?

(22-1)This was the scene in Cairo on Tuesday. People who support President Mohamed Morsi and people who are against him fighting right outside the presidential palace.(21)At least six people were killed, more than 670 were wounded.(22 - 2)In a speech yesterday, President Morsi spoke out against the violence and said that people responsible will be punished.(22 - 3)Military tanks in the streets of Cairo are just one sign the tension is not going away.