"This is to inform all that the report of the attack on the honourable Prime Minister (Sheikh Hasina) on August 24, 2017 is completely baseless, misleading and motivated, the Prime Minister's Office (PMO) said in a statement.
It said "some media outlets on September 23 published and broadcast a report about a failed attempt on the life of Prime Minister Sheikh Hasina using as the source a foreign TV channel and an international online news agency".
"It is not expected at all from any responsible person or conscious media to publish or broadcast such a confusing report which goes against the overall interest of the country's security," the statement read.
According to the reports the foiled attack was plotted by rogue members of the Special Security Force or SSF in coordination with banned terrorist outfit Jama'tul Mujahideen Bangladesh or JMB, bdnews24 reported.
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The reports said six to seven SSF personnel were preparing to attack Hasina on August 24.
Hasina is now in the US, where she had gone to attend the 72nd UN General Assembly.
Hasina was targeted by an Islamist extremist group in 2004.
Islamist militants allegedly backed by a quarters of the then ruling BNP of ex-premier Khaleda Zia hurled grenades in a political rally of the then opposition of her Awami League.
Hasina narrowly escaped the attempt sustaining permanent hearing impairment but 24 people including Awami League's women front chief and former Bangladesh president Zillur Rahmans wife Ivy Rahman were killed.