The perpetrators of such crimes will soon be identified and dealt with, he added.
"Given its exemption from US sanctions as well as its strategic location, Chabahar plays a significant part in the development of Sistan-and-Baluchestan Province and the eastern [transportation] corridor," Bameri said, adding, "Enemies have put destabilizing measures on their agenda to cause insecurity in this important region."
The official, however, emphasized that people in this area of Iran stand firmly united, and will foil all enemy plots.
Citing Afghanistan's economy, the US last approved a sanctions exemption for Chabahar when it re-imposed a second round of bans against Iran months after its withdrawal from a 2015 multilateral deal with Iran, which is officially known as the Joint Comprehensive Plan of Action (JCPOA).
Reactions pour in
Meanwhile, Foreign Ministry spokesman Bahram Qassemi also denounced the "malicious and inhumane terror attack, which he said was aimed at disrupting Iran's economic development, which is underway in cooperation with regional states.
The terrorists behind the attack, he added, have been "propped up in the bosom of certain countries and centers promoting violence and extremism in the region," stressing that "a severe punishment" awaits them.
Separately, Brigadier General Ramezan Sharif, the spokesman of Iran's Revolution Guards Corps (IRGC), vowed a "crushing response" not only to the terrorists who carried out the attack but also to the "groups backing them."
"The terrorist grouplets are mainly linked to foreign security services like those belonging to Saudi Arabia, and have constantly been seeking to destabilize our border regions," said the IRGC official.
In a message, Vice President Es'haq Jahangiri also said such terror attacks are intended to create a rift within the united ranks of Iranian people, but they are doomed to failure and will only strengthen the nation's national unity and convergence.
Such acts of violence will also "boost the Islamic Republic of Iran's resolve to fight terrorism," said Jahangiri, calling for all-out efforts to identify the perpetrators and bring them to justice.
Iranian Interior Minister Abdolreza Rahmani Fazli also issued a statement in condemnation of the Chabahar terror assault, saying the "savage attack" proved again that the "evil hegemonic system would spare no plot" to target the nation.
The US, the Israeli regime and "the terrorist governments in the region that support them" feel desperate and angry over the "shameful defeat" they have suffered in their attempts to strip the Iranian nation of their independence and freedom, he said.
That is why they have resorted to their stooges inside Iran in the hope of upsetting the country's stability, he added.