12 April 2012
Last updated at 12:09
A fire fighter in Carlstadt, New Jersey, tackles one of many brush fires that broke out in the region.
The effect of drought can be seen at the Iguazu Falls in Brazil, a UNESCO World Heritage Site, where it is reported that the flow of water has reduced.
Allen High School seniors show their support for Republican presidential candidate Ron Paul during a town hall meeting at Will Rogers Memorial Center in Fort Worth, Texas.
Tatu, a Rothschild giraffe, gave birth at the Zoo Aquarium of Madrid on 8 April.
Refugees from Syria continue to cross the border into Turkey as a ceasefire comes into force amid doubts among Western countries about the government's willingness to stick to it.
In Santiago protesters against HidroAysen, a multi-billion-dollar hydroelectric project which involves flooding 6,000 hectares (15,000 acres) of land, took to the streets following a ruling by Chile's Supreme Court that the project can proceed.
Afghan special forces during an exercise at the commando training centre in Kabul, Afghanistan. Nato says it is on track to hand over responsibility for securing Afghanistan to local forces by the end of 2014, as scheduled.
An employee sorts ingots of 99.97% pure platinum at the Krastsvetmet non-ferrous metals plant in Russia's Siberian city of Krasnoyarsk. Krastsvetmet is one of the world's largest players in the precious-metals industry.
More than 150,000 people are expected to flock to Liverpool for the opening day of the Grand National meeting. The first day of the three-day meeting, Liverpool Day, features music and comedy from local artists.
Refugees from the breakaway region of South Ossetia begin harvesting their crops at a newly built greenhouse in Tserovani, west of Tbilisi. They plan to harvest 300 tonnes of tomatoes and other vegetables this year.