The Al-Nusra Front terrorist group has carried out attacks using multiple rocket launchers and mortars in five districts of Aleppo an in a number of locations in the Damascus and Aleppo provinces, according to the statement.
Al-Nusra Front is an affiliate of al-Qaeda and a rival of Daesh in Syria and Iraq. Al-Nusra Front is regarded as the second most powerful group after Daesh. Julani has been commander of the terrorist group since 2012.
The Russia-US brokered ceasefire regime in Syria came into force on February 27.
The Russian center for Syrian reconciliation at the Hmeimim airbase registered a total of four violations of the ceasefire regime in Syria in the last 24 hours, the Russian Defense Ministry said.
"The cessation of hostilities in Syria has been respected in most of Syrian provinces. However, a total of four violations of the ceasefire regime have been registered in Damascus province," the ministry said in a daily bulletin posted on its website.
The number of settlements that have joined the ceasefire regime in Syria has increased to 163, the Russian Defense Ministry said.
"Within the last 24 hours, a truce agreement has been reached with representatives of a settlement in the Aleppo province, bringing the total number of settlements that have joined ceasefire to 163," the ministry said in a daily bulletin posted on its website.