Security around senior Bharatiya Janata Party leader L K Advani and Gujarat Chief Minister Narendra Modi [Images] was reviewed on Tuesday following intelligence inputs that global terrorist Dawood Ibrahim [Images] has been asked by Pakistan's Inter Services Intelligence to assassinate them.

The inputs to central agencies have come from various sources indicating that Dawood had been approached by ISI to carry out the plot, sources said.

Immediately after receiving the inputs, the review of security of Advani, who is a 'Z-plus' protectee was done, and was found the arrangements satisfactory.

The Centre also sent an advisory to Gujarat government for taking necessary steps to beef up the security of Modi who also enjoys Z-plus category security.

The intelligence inputs suggested that Dawood, who has been designated by the US as a global terrorist having links with the Al Qaeda [Images], had been roped in after several sleeper cells of various terror groups failed to execute the plan.