Watch: Smoke rises over Tehran as Trump 'seeks regime change'

The news article reports on the rising smoke over Tehran, the capital of Iran, amid heightened tensions between the United States and Iran. The article states that President Trump has suggested that "major combat operations" have begun, which implies that the U.S. may be seeking regime change in Iran. The article cites the BBC's correspondent in Jerusalem, Jon Donnison, as the source of this information. The article does not provide any further details about the specific events or the context behind Trump's statement. It remains unclear whether any actual military operations have been initiated or if this is merely a statement of intent by the U.S. government. The article presents the situation in a concise and unbiased manner, focusing on the key facts of the rising smoke over Tehran and Trump's comments about "major combat operations." The article does not delve into the broader political or diplomatic implications of the situation, but rather provides a straightforward summary of the immediate developments.