State media said at least 78 people had been killed, while a monitoring group put the death toll at more than 145.
Advertisement
Jableh lies in Latakia province, while Tartus is the regional capital of the adjacent governorate of the same name.
The Islamic State group claimed responsibility for the attack on social media.
Ikhbariya reported that three explosions hit Jableh.
At the hospital a Syrian, Bassen Al Hassan, who helped the injured get medical attention said the blast happened when a girl entered the emergency area and blew herself up.
Meanwhile, a suicide vehicle bombing also claimed by IS killed at least 40 army recruits and injured 60 others in the Yemeni city of Aden, medics said.
The same bus station was attacked in Jableh in 2012, but Monday’s bombings in Tartus were the first to hit the city since the war began as an uprising against Assad’s rule in 2011.
“While it may be impossible to influence the criminal behavior of (the Islamic State organization), Syria’s multiple warring sides and the worldwide parties that support them can and should do more not only to condemn such (Islamic State) attacks but also to ensure that they stop targeting civilians”.
A state department spokesman said Russian Federation had “a special responsibility” to rein in Syrian government forces. Reports said Russian planes targeted the road, which has also come under sniper fire by Kurdish People’s Protection Units.
The TV report said at least one suicide bomber blew himself up near the station, and was followed minutes later by a auto bomber.
The attacks were aimed at cities housing the largest Russian bases in Syria, with a major air base outside Jableh, and Russia’s only permanent naval base in the Mediterranean.
Nearly 150 people have been killed in seven near-simultaneous explosions claimed by Islamic State in northwestern Syria.
World Health Organization says most of those killed were patients and their visiting family members but there were also three doctors and nurses killed in Monday’s attack.
Syrian state media confirmed the attack with a death toll of at least 78 people, while the UK-based Syrian Observatory for Human Rights reported that more than 100 people lost their lives, stating that at least five suicide attacks and two auto bombings were involved.
It said there were seven explosions that ripped through both locations simultaneously: Four in Jableh, including three suicide bombs and one auto bomb, and four in Tartus, two suicide bombers and one vehicle bomb.
More than 270,000 people have died in the civil war, while millions have been displaced.
The Kremlin expressed concern at the blasts and said they underscored the need to continue peace talks between the government and opposition.
Advertisement
More than 100 people were killed in a spate of ISIS suicide attacks on the Syrian coast Monday, according to activists.
