WASHINGTON (AP) — The Trump administration on Thursday accused Syrian President Bashar Assad's government of producing and using "new kinds of weapons" to deliver deadly chemicals despite committing to abolish its program in 2013, and said the world must find a way to stop it.

President Donald Trump has not ruled out additional military action to deter attacks or punish Assad, administration officials said, although they did not suggest any action was imminent. They emphasized that the United States was seeking a new way to hold chemical weapons-users accountable and wanted cooperation from Ru...