Yemen's authorities have stated that they put Yemen's military and security services on high alert, pointing out that they imposed tight security measures around vital and economic facilitates and foreign embosses.
The Interior Ministry said in a statement that measures were taken in anticipation of terrorist operations planned by Al-Qaeda in retaliation for raids that have been carrying out by the Yemeni army against its strongholds in some towns of Abyan governorate.
The Interior Ministry affirmed that it ordered all its services to strongly respond against any terrorist acts, urging them to be on full alert.
"The military also reinforced its presence in the entrances of the Capital Sana'a and the main cities of other governorates, and increased security forces tasked with protecting embassies and consulates" military sources said.
They said the defense and interior ministries informed all embassies in Sana'a that they took strict measures to protect embassies amid concerns of potential al-Qaeda attacks.
Meanwhile, Bulgaria's ambassador to Yemen Boris Borisov escaped on Sunday an abduction attempt while he was driving through the Capital Sana'a.
Masked armed men stopped the car of the Bulgarian ambassador to kidnap him, but the diplomat managed to escape and hide in a nearby shop, sources affirmed.
Oman has ordered the staff of its embassy to leave Yemen and head to Muscat after the embassy received threats from an unidentified group, Alahale reported, quoting a diplomat at the embassy on Saturday.
A Saudi diplomat , Abdullah Al-Khaldi and a Swiss teacher, Sylvia Abrahat, have been abducted by al-Qaeda-linked a group since more than a month.