Ocean Shield has been able to reacquire the signals that are consistent with airplane locator beacons on two more occasions -- both on Tuesday, said Angus Houston, head of the Australian-led search effort on Wednesday.
The British businessman accused of ordering a hit on his new wife while on honeymoon in South Africa has been returned to the country by UK officials. He denies murdering Anni Dewani, 28, in November 2010 in Cape Town.
Russia's Foreign Ministry warned Kiev on Tuesday that any use of force in Ukraine's eastern region could lead to civil war, as Ukraine's government seeks to regain control after pro-Moscow uprisings in three cities.
By CNN's Richard Allen Greene. Nicola Goulding and Emily Smith
An emotional Oscar Pistorius apologized Monday to the family of Reeva Steenkamp, the girlfriend he killed on Valentine's Day last year, saying he woke up thinking of them and praying for them every day.
A shadowy extremist group calling itself Soldiers of Egypt, or Agnad Masr, claimed responsibility Thursday for three blasts outside Cairo University that killed an Egyptian police brigadier general and injured five others.