A US jury unanimously convicted Dzhokhar Tsarnaev and found him guilty on all 30 counts related to the 2013 Boston bombings attacks.

Deaths of five Iranian nuclear scientists since 2010 a cause for concern.

Security forces have shot dead at least 12 people protesting against the rule of Yemeni President Ali Abdullah Saleh in the capital Sana’a.

President Barack Obama on Friday hailed the drone strike on Anwar al-Awlaki as "another significant milestone" in efforts to defeat al-Qaeda.

Anwar al-Awlaki, a US-born cleric linked to al-Qaeda and implicated in attacks on the United States, has been killed in a CIA drone strike in Yemen.

Yemeni forces on Saturday arrested a woman believed to be involved in sending explosive packages bound for the United States.

An attempted parcel bomb plot originating in Yemen will further heighten security concerns about the unstable Arab state.