At least eight anti-government protesters were wounded when attackers hurled a hand grenade towards them in the Yemeni southern city of Taiz on Friday.
Another protester was killed and some 50 others were injured in Yemen on Thursday as street protests and unrest continued in countries in the Middle East and North Africa.
The snowstorms lately registered in the United States, Mexico and Europe were due to the global warming.
A series of blasts at a Tanzania military munitions dump killed at least 25 people late on Wednesday, flattening neighboring buildings and sending thousands of local residents fleeing in panic.
Egypt's uprising emptied the hotels, casinos and bars of a tourist trade that employs one in eight Egyptians, but staff expect the recovery to be quick and the revolution to boost business in the long run.
At least 15 protesters and a policeman were wounded in fierce clashes marked the seventh straight day of tensions between government backers, police and demonstrators in Yemen's capital on Thursday.
Four anti-government protesters were killed in clashes with Libyan police in the eastern Libyan town of Al Baida, opposition Libya Al-Youm website reported Thursday.
Israel announced Thursday that the military killed three Palestinians who tried to infiltrate Israel in northern Gaza Strip.