Thousands attended a May Day rally in Istanbul for the first time since the 1970s when gunmen massacred dozens. Rallies were held globally to bring attention to workers' conditions. The Northern Lights were seen above Iceland's erupting Eyjafjallajokull volcano in April as oil leaked into the Gulf of Mexico near New Orleans from the Deepwater Horizon spill. Ukrainian lawmakers protested a deal with Russia by throwing eggs in parliament. Mumbai's Oberoi Hotel reopened after reconstruction following the 2008 terrorist attacks that killed 166 people.

1. World News Updates
Thousands of demonstrators attend a May
Day rally at Taksim square in central Istanbul
on Saturday, May 1. Rallies to mark
international workers' day were held here for
the first time since the late 1970s, when
unknown gunmen massacred dozens of
people. Rallies were held in cities across the
globe to call attention to workers' conditions.
Land of fire and ice
The Northern Lights are seen above the ash
plume of Iceland's erupting Eyjafjallajokull
volcano in the evening on April 22.

2. Oil in the gulf
A boat works to collect oil that has leaked
from the Deepwater Horizon wellhead in the
Gulf of Mexico on April 28, near New Orleans,
La. Gov. Bobby Jindal has declared a state of
emergency and the federal government sent
in skimmers and booms as oil oozed toward
the fragile coastline.
Raining eggs
Guards cover Ukraine parliament speaker
Volodymr Lytvyn with an umbrella from eggs
thrown by opposition lawmakers during
ratification of the Black Sea Fleet deal with
Russia, in Kiev, Ukraine, on April 27.
Ukrainian prosecutors are considering filing
charges against parliament members who
hurled the eggs and set off smoke bombs in
the chamber in protest of the deal.

3. Grander than before
An employee, right, of Mumbai's Oberoi
Hotel, which was one of the targets of Nov.
26, 2008, terror attacks that left 166 people
dead, walks after a news conference held at
the hotel on April 21. The five-star complex is
reopening to guests after a $45 million
reconstruction.
Holy cow!
A cow charges down South Fourth Street in
Ames, Iowa, after escaping from the Iowa
State University veterinary medicine building.
Police captured the pregnant heifer after
spending more than two hours chasing it,
shooting it with a total of four tranquilizer
darts.
Stephen and Sharon Ritter use Inada Sogno
massage chairs at the International
Consumer Electronics Show in Las Vegas,
Nevada. CES, the world's largest annual
consumer technology tradeshow, runs
through January 10 and is expected to
feature 2,500 exhibitors showing off their
latest products and services to about 110,000
attendees.

4. A Samsung 10-inch e-reader on display at the
Samsung exhibit at the Consumer Electronics
Show (CES) in Las Vegas on Saturday. The
tablet uses a stylus to allow users to write on
the tablet rather than type.
Can it get any thinner?
A worker holds a pencil up to the side of
Samsung's new LED 9000 television to show
its thickness during a press event on Jan. 6.
The TV has built-in 3-D and has a processor
that can convert 2-D to 3-D on the fly.