U.S. stock futures face selling pressure due to rising tensions between Israel and Iran.

Iranian military forces launched ballistic missile attacks on the Israeli intelligence agency.

The Federal Reserve is widely expected to keep interest rates steady on Wednesday.

U.S. stock index futures are experiencing sharp selling pressure during European trading hours on Tuesday. Investors are shedding U.S. stock contracts as risk appetite has significantly diminished amid uncertainty regarding the future of the air war between Israel and Iran, and as a result of monetary policy from the Federal Reserve on Wednesday.