The remains of the weapon used in the Friday assassination of senior nuclear scientist Mohsen Fakhrizadeh show that it was made in Israel, an informed source has told Press TV.

The source made the revelation on Monday, saying the�weapon collected from the site of�the terrorist act�bears the logo and specifications of the Israeli military industry.

Iran's Ministry of Intelligence�also said it had obtained "new leads"�on the identity of the perpetrators and that the information "will be publicized very soon."

A former head of the Defense Ministry�s Organization of Defensive Innovation and Research, Fakhrizadeh�was targeted in an�attack�involving at least one explosion and machinegun fire in the town of Absard near Tehran.

Foreign Minister Mohammad Javad Zarif tweeted on Sunday that the assassination bears all the hallmarks of�the Israeli regime.

The history of Tel Aviv�s sabotage targeting Iran�s nuclear energy program is as old as the program itself.

Many observers believe Israel�is not able to carry out such dangerous operations without the prior�information and support of the United States which left a landmark�nuclear deal with Iran in 2015.

Israel possesses the Middle East�s sole nuclear arsenal estimated to contain at least 200 warheads. The occupying regime maintains a policy of�ambiguity concerning its nuclear weapons, neither confirming nor denying publicly that it has the capability.

Unlike Iran, it also refuses to join�the Nuclear Non-Proliferation Treaty (NPT) and does not allow any international inspection of its nuclear weapons program.