Revellers participate in a flour fight during the "O Entroido" festival in Laza village, Spain February 8, 2016. The carnival lasts for a week and is considered a major social and cultural event in Laza. Photo: Reuters
A protester (L) kicks a policeman (2nd L) who has fallen down during a clash at Mongkok district in Hong Kong, China February 9, 2016. Photo: Reuters
A policeman (L) points his pistol during a clash at Mongkok district in Hong Kong, China February 9, 2016. Photo: Reuters
A reveller is photographed during a traditional Maracatu carnival in Olinda, Brazil February 8, 2016. Photo: Reuters
Revellers participate in a flour fight during the "O Entroido" festival in Laza village, Spain February 8, 2016. The carnival lasts for a week and is considered a major social and cultural event in Laza. Photo: Reuters
A metal object believed to be a part of North Korean long range rocket launched on February 7, 2016, is seen in this undated handout picture provided by South Korean Defense Ministry and released by Yonhap on February 9, 2016. Photo: Reuters
A man tries to extinguish a fire at an illegal garbage dump after residents decided to set fire to it to prevent the spread of the mosquito-borne Zika virus, in a slum of San Jose, Costa Rica February 8, 2016. Photo: Reuters