** Tripoli Fighting Kills Three, Closes Airport**
Heavy fighting between militias vying for control of the airport in Libya's capital has killed at least three people and grounded flights through the middle of the week.
An armed Islamist group attacked Zintan militiamen, who have controlled Tripoli International Airport since the overthrow of Moammar Gadhafi in 2011, in some of the worst fighting the country has seen in six months.
An airport official said rockets hit the facility just before sunrise Sunday. The Operations Cell of Libyan Revolutionaries, a coalition of Islamist militias, claimed responsibility.
The opposing groups are seen as the armed wings of two political factions, the liberals and Alarmists, struggling for the upper hand in the Libyan parliament.
On Saturday, U.S. State Department spokeswoman Jen Psaki said (in a statement) the U.S. is "deeply concerned" the ongoing violence in Libya could lead to "widespread conflict."
**Militants Seize Iraqi Town**
Iraqi militants have attacked a town north of Baghdad, seizing local government buildings and killing at least 6 people, including two police officers.
Officials say the assault on Dhuluiya, about 80 kilometers north of the capital, began early Sunday. Government forces had retaken Dhuluiya last month after it had been overrun by the militants, but a new drive toward Baghdad appears to be under way.
On Saturday, gunmen stormed an apartment building in a Baghdad neighborhood, killing at least 29 people, mostly women.
No one has claimed responsibility for the attack and the motive is also not known.
Earlier Saturday, Human Rights Watch accused Iraqi security forces and government-backed militias of illegally executing at least 255 prisoners in the last month.
The group says the executions were carried out in six towns and villages.
Human Rights Watch says most of the prisoners were Sunnis who had run away from the extremist groups fighting to topple the government.