A look at significant current news events from around the globe:

1. Ireland

Police in Northern Ireland say that an IRA (Irish Republican Army) dissident threw a homemade grenade at police officers, with children in the proximity. Police were braced for attacks made by IRA splinter groups because of recent elections who want show opposition to Northern Ireland's Catholic-Protestant government and peacemaking efforts.

Police were lured into the attack in Londonderry, Ireland's second largest city, when a bomb was reported in the area. No arrests have been made and police have asked the public to help find the attacker.

2. United States

Damaging floodwaters have ripped past Memphis, Tenn. and into the Delta region. The flood has damaged hundreds of homes, crops and businesses including 19 casinos that are important to Mississippi's economy. Forecasters say that the river will likely reach past the record high set in 1927. The flood's devastation will cost the government an estimated $12 million in taxes per month.

3. Libya

As many as 600 migrant workers have been reported dead by the U.N. on Friday when a migrant ship broke apart. According to the U.N. refugee agency, there were some survivors, but many of them did not know how to swim, or were trapped beneath deck. The U.N. has blamed Moammar Gadhafi's government for the rise in deadly smuggling incidents – at least 800 more people have been lost at sea in three additional boating incidents.

4. Guatemala

Former Guatemalan President Alfonso Portillo has been acquitted on charges that he stole $15 million from the country's Defense Department. According to AP reports, a panel of judges voted 2-1 to absolve Portillo and his former ministers of finance and defense. Portillo remains in prison by request of the United States on charges of embezzling 1.5 million in foreign donations. Attorney General Claudia Paz said she would appeal the ruling.