Tuesday: The day in photos

A worker dressed as the grim reaper takes part in a mass rally of unions outside an oil refinery in Grimsby, England. More than 600 workers were sacked last week after contract workers walked out in a dispute. The disagreement has seen workers across the country set down their tools in sympathy.  (Christopher Furlong / Getty Images)

Investigators and officials look over the collision scene of two Metro transit trains in Northeast Washington.  (Gerald Herbert / Associated Press)

A man holds his children as they get drenched in an ocean wave that hit the shore during high tide in the Arabian Sea at the Worli promenade in Mumbai, India.  (Rajanish Kakade / Associated Press)

Japanese men at Peace Memorial Park in Itoman pray in front of the Cornerstone of Peace, which displays 240,000 names of civilians and soldiers killed during the Okinawa battle in World War II. Local officials called for the Japanese and U.S. governments to reduce U.S. bases as the people of the island commemorated the 64th anniversary of the last and deadliest land battle of World War II on Japanese soil and that killed more than 240,000 people.  (Hitoshi Maeshiro / EPA)

An adult jaguar plays with a cub at the Mangaung Zoo Bloemfontein in South Africa. Bloemfontein is a host city for the FIFA Confederations Cup 2009 and a FIFA 2010 World Cup host city.  (Nic Bothma / EPA)

Two men jump from a bridge into the Yangtze River in Wuhan, in central China’s Hubei province. Facing another hot and dry summer, China is sounding the alarm bell over its worsening water shortage as water supply is under greater pressure than ever.  (AFP / Getty Images)

Iranian students burn mock flags during a demonstration outside the British Embassy in Tehran. British Prime Minister Gordon Brown announced that England has expelled two Iranian diplomats in a tit-for-tat action after Tehran ordered two British diplomats to leave.  (Maryam Hasanzadeh / AFP / Getty Images)

A Greenpeace activist wearing a protective suit takes trash samples from the dumpsite in the town of Taytay, east of Manila. The activists took trash samples after shutting down the dumpsite, which they accuse of polluting the shores of Laguna Lake and the surrounding community.  (Ted Aljibe / AFP / Getty Images)