Iranian Revolutionary Guards threatened to target US sites in the Middle East if Iranian tankers come under fire, according to reports. The threat came after US strikes on two Iranian-flagged tankers in the Gulf of Oman.

US President Donald Trump had said he was expecting Iran's response to Washington’s latest peace deal proposal "supposedly tonight." However, no public sign of a response from Tehran has been reported.

Meanwhile, oil slicks have appeared off the coast of Iran’s Kharg Island, raising concerns about environmental damage and economic instability in the region.

US diplomat Marco Rubio met with Qatar's leader to discuss continued coordination on deterring threats and promoting stability across the Middle East. Lebanon continues to be a volatile front, with daily exchanges of fire between Israel and Hezbollah leading to casualties.

The ceasefire on the Lebanon front is also under strain due to renewed Israeli strikes against Hezbollah strongholds. Lebanon and Israel are set to hold direct negotiations in Washington next week, despite Hezbollah's opposition.