For its part, Israel dismissed all the threats from Syria and Iran.
"Israel is not seriously concerned about Iran's or Syria's latest bluff and there is no alert in Israel about the latest round of threats, but we are prepared to respond to any aggression, as we know Iran has the capability and intention of attacking Israel," Israeli Foreign Ministry spokesman Yigal Palmor told Xinhua.
According to a UN report, since the Syria conflict broke out in March 2011, more than 60,000 people, mostly civilians, have been killed, and more than 4 million people have been left in need of humanitarian assistance.
The United Nations Children's Fund (UNICEF) said on Monday that a large-scale operation is under way in Syria to secure safe water supplies for more than 10 million people.
A 9-year-old girl and her father are traveling to 31 major cities across China on foot and by hitchhiking.