Photos of the week - Around the globe

A fisherman walks past a barricade blocking a road during a protest 

calling on the government to help ease the economic effects

 of a harmful algal bloom that had affected their livelihoods at Ancud

 on Chiloe island in Chile, May 

Protesting refugees and migrants are pushed back by Greek police
 during a protest at a makeshift camp at the Greek-Macedonian
 border near the village of Idomeni, Greece,
May 5, 2016.
(Alexandros Avramidis/REUTERS)

Primary school students in Yongchuan District hold boards of smiling
 faces to welcome the upcoming World Smile Day on May 5,
2016 in Chongqing, China. (VCG/VCG via Getty Images)

A soldier from the South Korean army special forces breaks stone
 plates with his hand during a martial arts demonstration for Children’s
Day at the War Memorial of Korea in Seoul, South Korea, May 5, 2016.
 In South Korea May 5 is celebrated as Children’s Day, a national
holiday. (Ahn Young-joon/AP)

An elderly Indian villager, centre, smokes as he participates in
a protest demonstration to highlight the water shortage across the
country in New Delhi, India, May 5, 2016. Much of India is reeling
under a heat wave and severe drought conditions that have decimated
crops, killed livestock and left at least 330 million Indians without
 enough water for their daily needs. (Altaf Qadri/AP)

Lovi Poe, center, the sister of presidential candidate
Grace Poe, leads the symbolic throwing of colored powder as her sister is endorsed by “Kabataan” party-list group, a youth organization trying to campaign for a seat in the Lower House, May 5, 2016, at suburban Quezon city northeast of Manila, Philippines. Poe is running second to front-running candidate Rodrigo Duterte in recent poll surveys leading to Monday’s Presidential elections. (Bullit Marquez/AP)

A woman is carried away in a stretcher by medics as she is rescued after being trapped for six days in the rubble of a collapsed building, in the Huruma area of Nairobi, Kenya, May 5, 2016. After discovering the woman alive and conscious, rescuers administered an IV and oxygen but then had to work for a number of hours to free her from the rubble she was trapped in, before taking her away to hospital. (Ben Curtis/AP)