Residents reported building obstacles and checkpoints in an attempt to deal with military operations.
The videos are published on the internet site shows a number of children and women to cross the border into Turkey.
The Government of Syria stated will take resolute action to restore the State of Jisr al-Shughour after reports of more than 120 security personnel were killed by armed groups since last weekend.
Officials refute news that mention the murder because of the split military body in Syria.
Activists say the cause of the death of military personnel is still not clear and likely because they defected.
After the murder of officer safety, residents in the city, write a message on Facebook by saying they were worried the massacre occurred.
They asked the residents to close the road towards the town with stones, branches and burned tyres.
"By Allah, we were all civilians, we are not terrorists. There are no terrorists in Jisr al-Shughour "
Tanks and troops of the Government of Syria and the helicopter was reported to have deployed to the city.
Residents in the course of Latakia and Aleppo told BBC Jisr al-Shughour form the sentry to oversee military operations that are central to prepare.
"Today, soldiers moving in the direction of Jisr al-Shughour from various places, such as barracks in Homs and other places in the region Ariha," said a witness to the BBC.
"Many people began to evacuate, partly to Turkey and some are to the other neighboring countries. We are very worried about happening bloodshed in Jisr al-Shughour. "
20 km from the border North of Turkey is located in the remote province of IdlibDaerah pertanianPenduduk: about 50,000 Sunni Muslim jiwaMayoritasDozens of citizens crossing the border into Syria Turkey were treated at hospitals in the South of the country because of injuries they say due to clashes with the army of Syria, said officials of Turkey.
One man who cross the border in severe conditions because of injuries, said a diplomat of Turkey to the AFP news agency.
Lines of communication to the region was cut off Monday (06/06) and details of the attack is difficult to estimate. Syria does not allow foreign journalists reported the happenings there.
Syria's official television said hundreds of armed men took over the town is located about 20 km from the border with Turkey.
Opposition activists say the battle going on, but the situation there was unclear.
Eyewitnesses told the BBC there are no armed groups in the Jisr al-Shughour and that security personnel shot dead since defected.
"By Allah, we were all civilians, we are not terrorists. There are no terrorists in Jisr al-Shughour, "said a witness.
Impressions on YouTube, which mentioned comes from the city, showing some of the bodies was described as the soldiers killed by Government forces since expatriate refused to shoot people.