Karen Pierce said all the facts had not yet been established after the 7 April attack and said Russian Federation and Syria should allow inspectors to visit the site.
"They were informed about where our red lines are, including red lines on the ground, geographically".
The US France and Britain carried out air strikes on what they said were Assad's chemical weapons installations in response to an alleged chemical weapon attack.
Military analysts say the S-300 surface-to-air missile system would boost Russia's ability to control airspace in Syria, where Moscow's forces support the government of President Bashar al Assad, and could be aimed at deterring tougher United States action. "The results have shown that they haven't crossed those lines".
The state news agency RIA also reported Lavrov saying he was convinced Vladimir Putin and Donald Trump would not allow an armed confrontation between their countries.
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The " Padmaavat " has often stated that his wife wants to flip the norm, have kids and then begin her career. Unlike last time, there is no secrecy surrounding Mira's pregnancy as she is happily flaunting her bump.
"We proceed from the fact that the USA president in a telephone conversation. made such an invitation, said he would be glad to see (Putin) in the White House, would then be glad to meet on a reciprocal visit", Lavrov said in comments posted on the foreign ministry's website. "As for our counterparts, we have only heard allegations about evidence, be it the alleged Douma incident or the Salisbury incident", the Russian top diplomat added.
Moscow's hopes for better ties with Washington under Trump have withered amid the ongoing investigations into the alleged collusion between the Trump campaign and Russian Federation.
In recent weeks, tensions have risen further over the March poisoning of a former Russian spy and his daughter, which Britain has blamed on Russia.
According to the Russian Defense Ministry, the Syrian army shot down 71 out of the 103 missiles fired during the attack, using Russian-made air defense systems, including S-125, S-200, as well as the Buk and Kvadrat units.
"I'm 100 percent convinced that the military won't allow it", Lavrov said, adding that the Russian and USA presidents also "bear responsibility before the people which elected them for peace and security".