Live Blog: Tracking Islamic State

Latest News For February 29

-- The United States Army's elite Delta Force is on the verge of beginning operations to target, capture or kill top IS operatives in Iraq, after several weeks of covert preparation, an administration official with direct knowledge of the force's activities told CNN.

-- Syrian government forces have regained control of a road used by the army to access Aleppo, after making advances against Islamic State fighters, a monitoring group and state television reported.

-- Authorities in Iraq say the death toll from a double bombing at a market in Baghdad’s Shi’ite neighborhood of Sadr City rose to 73 on February 29 after several critically wounded victims died overnight.

-- Tajik media are reporting that a woman known to be the second wife of Gulmurod Halimov, the fugitive Tajik colonel who defected to the IS group, has left for Syria along with the couple's four young children.

-- The UN is poised to begin delivering aid to people living in besieged areas of Syria, making use of a truce brokered by the United States and Russia. The first deliveries are planned for Feb. 29, with aid due to reach about 150,000 Syrians in besieged areas over the next five days.

-- A truce negotiated between Syrian rebels and the government has caused a dramatic decrease in airstrikes around rebel-held territory, but there were few celebrations, with many residents suspecting a trick, CNN report.

* NOTE: Live blog posts are time-stamped according to Central European Time (CET).