"Syria and Russia are fighting a battle not only against terrorism, but also for protecting worldwide law ... based on respect for state sovereignty and the will of their people", Assad said at a meeting with members of Russia's ruling United Russia Party.
"A short time ago, I ordered the United States armed forces to launch precision strikes on targets associated with the chemical weapons capabilities of Syrian dictator Bashar al-Assad", Trump said in a primetime televised address to the nation.
The Syrian government, however, has repeatedly rejected the allegations as a fabrication by the rebels and their foreign supporters to justify military strikes on the Arab state.
Netanyahu warned that the Syrian government is endangering itself by giving Iran and its proxies a "forward base".
More broadly, they have voiced concern about Tehran fulfilling its ambition to establish a land corridor from Tehran through Iraq, Syria, and Lebanon to the Mediterranean Sea, a corridor it could use to funnel fighters and transfer weapons to its allies Hizballah and Hamas.