TOPSHOT - Health authorities with the help of the Cuban army fumigate against the Aedes aegypti mosquito to prevent the spread of zika, chikungunya and dengue in a street of Havana, on February 23, 2016. Cuban President Raul Castro announced Monday that 9,200 troops and police have been mobilized in a campaign to eliminate mosquitoes and protect the country against the Zika virus. Cuba has not officially recorded any cases of the mosquito-borne virus, which is strongly suspected of causing serious birth defects in babies born to infected mothers. But 28 countries and territories in the Americas and the Caribbean have reported cases of active Zika transmission, with 1.5 million in Brazil, the hardest-hit country. AFP PHOTO / YAMIL LAGE / AFP / YAMIL LAGE (Photo credit should read YAMIL LAGE/AFP/Getty Images)
FIJI - FEBRUARY 24: In this handout image supplied by the UNICEF, children play on the Rakiraki river near Rakiraki Village on February 24, 2016 in Fiji. Category 5 Tropical Cyclone Winston made landfall in Fiji on Saturday 20 February, continuing its path of destruction into Sunday 21 February. A state of natural disaster and a nationwide curfew had been declared by the Government of Fiji earlier in the evening. The Fijian Government has declared a state of natural disaster for the next 30 days and has initiated the clean-up process by clearing the huge amounts of debris scattered everywhere. (Photo by UNICEF via Getty Images)
LINGFIELD, ENGLAND - FEBRUARY 24: A general view as runners circle at the start at Lingfield racecourse on February 24, 2016 in Lingfield, England. (Photo by Alan Crowhurst/Getty Images)
GAIBANDHA, BANGLADESH - FEBRUARY 23 : Women process and dry red chili pepper under sun near Jamuna river, 240 kms north-west of Dhaka in Gaibandha, Bangladesh on February 23, 2016. Everyday they earn less than USD $1 (Taka. 70) after work 10 hours a day. Gaibandha area in Bangladesh which is affected by flood throughout the monsoon season each year. The char areas have some of the highest levels of poverty in the country. Red chili is the main source of income in the area and mostly women are engaged in its production and processing along with their regular unpaid care work. Women in this area have limited or no access to markets or finance; they have less bargaining power and limited income. (Photo by Zakir Hossain Chowdhury/Anadolu Agency/Getty Images)
LAS VEGAS, NV - FEBRUARY 23: Republican presidential candidate Donald Trump arrives at a caucus night watch party at the Treasure Island Hotel & Casino on February 23, 2016 in Las Vegas, Nevada. The New York businessman won his third state victory in a row in the 'first in the West' caucuses. (Photo by Ethan Miller/Getty Images)
RIO DE JANEIRO, BRAZIL - FEBRUARY 23: Lightning flashes over the Ipanema neighborhood near the illuminated Christ the Redeemer statue (Distant, Center R) on February 23, 2016 in Rio de Janeiro, Brazil. The city is set to host the Rio 2016 Olympic Games in August amidst a sharp economic downturn and fears over the Zika virus. (Photo by Mario Tama/Getty Images)
A member of the Cuban army fumigates against the Aedes aegypti mosquito to prevent the spread of zika, chikungunya and dengue, in Havana, on February 23, 2016. Cuban President Raul Castro announced Monday that 9,200 troops and police have been mobilized in a campaign to eliminate mosquitoes and protect the country against the Zika virus. Cuba has not officially recorded any cases of the mosquito-borne virus, which is strongly suspected of causing serious birth defects in babies born to infected mothers. But 28 countries and territories in the Americas and the Caribbean have reported cases of active Zika transmission, with 1.5 million in Brazil, the hardest-hit country. AFP PHOTO / YAMIL LAGE / AFP / YAMIL LAGE (Photo credit should read YAMIL LAGE/AFP/Getty Images)
LONDON, ENGLAND - FEBRUARY 23: A girl feeds ducks and geese outside her home The River Thames floods Chiswick Mall on February 23, 2016 in London, England. Todays high tide of 5.4 metres is predicted to flood areas along The River Thames. (Photo by Ben Pruchnie/Getty Images)
A stray dog stands among outboard motors that were used by refugees and migrants to reach the Greek northern island of Lesbos, in Mytilene, on February 23, 2016.
Athens has expressed its 'displeasure' to the EU over tougher border controls by Balkan countries that have left thousands of migrants stranded in Greece, Prime Minister Alexis Tsipras' office said on February 23. / AFP / ARIS MESSINIS (Photo credit should read ARIS MESSINIS/AFP/Getty Images)
An elephant eats at a park in Colombo on February 22, 2016. Some 70 elephants, most of them from the central part of the island, together with thousands of traditional drummers, dancers and monks gathered in the Sri Lankan capital to participate in the city's biggest two-day annual Buddhist procession from February 21 - 22, which was first held in 1979. AFP PHOTO / Ishara S. KODIKARA / AFP / Ishara S.KODIKARA (Photo credit should read ISHARA S.KODIKARA/AFP/Getty Images)
MOSCOW, RUSSIA. FEBRUARY 23, 2016. Fireworks go off over Moscow marking Defender of the Fatherland Day. Mikhail Japaridze/TASS (Photo by Mikhail Japaridze\TASS via Getty Images)
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Over the last seven days, the news continued to be dominated by the 2016 race for President, as well as the ongoing migrant crisis in Europe and the Middle East, the fight to eradicate the Zika virus, and severe weather around the world. Click through the slideshow above to see photos from all of these stories and more, and be sure to check back next weekend for our selection of the best photography from the coming days.