According to an official there, the man was abducted in the center of the city early Monday morning.
“Gunmen in a car kidnapped the British man at around 9:00 A.M. near a grocery store in Hadda,” the official said.
Witnesses said the kidnappers hit the man on the head with a rifle butt, before forcing him in a vehicle and driving away.
Explosions rocked Sanaa Sunday night. One occurred near the Defense Ministry and Central Bank.
A separate mortar bomb landed near the French embassy and the home of former President Ali Abdullah Saleh. The blast injured four people and damaged three buildings and two cars, according to reports.
On Friday, suspected al-Qaida militants in Yemen attacked a checkpoint in the restive province of Hadramawt, killing 15 troops
A police patrol in the province of Bayda was also fired on, killing 2 soldiers.
After Monday’s kidnapping, a police source in the city told Reuters the victim was a British national working for an oil services company.
“We are aware of the news. We still cannot confirm,” a British embassy spokesman told reporters.
Yemen, the poorest Arab country, faces an insurgency by al-Qaida in the south.
In the north, the government in Sanaa has lost control over much of the hinterland to a Shiite rebel movement.