The two sailors were part of five tugboat crew members kidnapped by the Islamist militants in July 2016.
The ACLU has filed a claim against the Department of Homeland Security on behalf of the two sisters.
A report claims party politics is responsible for reluctance to reveal those accountable for the crimes.
Two salvage barges lift the sunken vessel as scores of bereaved family members watch from boats.
Officials cautioned that the information is not conclusive and the investigation is still underway.
US defence secretary warns that resisting additional funds would dent the country's security.
Rockville High School has received several threats after a 14-year-old girl was attacked on 16 March.
Filipino president says that if imposed, he would create military courts to sentence terrorists to death.
Approval rating slumps as 60% of respondents say US president is 'not honest'.
Shiloh Heavenly Quine has grown a beard and moustache after being refused a razor.
Opinions divided as state follows Louisiana in passing bill to protect officers.
About 20% of CAR's schools are closed due to insecurity, displacement, or occupation by fighters.
US president's son was condemned by journalists and British lawmakers.
Senior Democrat fiercely criticises 'profound irregularity' of committee chairman's behaviour.
Chinese authorities investigating morning break tragedy at school in Hunan Province.
The military drills have been met with threats and rocket launches from the North.
The haul came amid operations to crack down on counterfeit goods.
The location was seized by Isis in 2013 and has been used as HQ, prison and training centre.
The president is fighting those within his own party over the legislation.
The cause of the incident is still unclear.
Former Chancellor is facing a 180,000 strong petition over his move into journalism.
Leader of ACT for America Brigitte Gabriel described the visit as 'very productive'.
Explicit sexual content appeared on privately-owned Touba TV channel on Monday for 20mins.
House of Commons was halted after a terrorist incident that saw at least two dead.
Eyewitnesses have spoken about being told to "run, run, run" by the police.
Former vice president says if you lined up all the millionaires in America and said ''is this fair?'' they'd say ''no''.
US Secretary of State opened meeting of the ministers of the global coalition on the defeat of Isis.
Unicef says depleted water supplies and climate change creates a "dangerous outlook" for children.
Like the IRA, Palestinian leaders have tended to opt for what they know best – bloodshed.
The helicopter crashed during a coastguard mission on 14 March with four crew members on board.