The British embassy in Baghdad said that a British diplomatic vehicle was hit buy an IED on Tuesday morning on the airport road in Baghdad, but caused no injuries.
There was no immediate claim of responsibility.
Separately, at 1 a.m. on Tuesday, two Katyusha rockets landed inside Baghdad’s heavily fortified Green Zone, which houses government buildings and foreign missions, but caused no casualties or damage, the military said in a statement.
Rocket attacks against U.S targets have increased over the past few weeks.
Washington blames such attacks on Iranian-backed militia groups. Iran has not directly commented on the incidents but little-known groups believed to be connected to Iran-aligned militias have claimed responsibility some attacks.
Iraq, often the scene of spillover violence from U.S.-Iran tensions, seeks to avoid being drawn into any regional conflagration.
The Middle East came close to a full conflict in January after a U.S. drone strike killed Iranian General Qassem Soleimani and Iraqi paramilitary chief Abu Mahdi al-Muhandis at Baghdad airport.
Iran-aligned militias have sworn to avenge their deaths.