An airstrike by the Saudi-led coalition targeted a building used by police in Yemen's capital, Sanaa, killing at least 26 people and wounding about 15, Security officials said on Monday.
The officials, who are loyal to anti-government Shiite rebels known as the Houthis, said some 30 more people are believed to be still trapped under the debris of the badly damaged building in central Sanaa.
Security forces swiftly sealed off the area as earth-moving equipment arrived to help with the search for bodies and survivors under the debris. The officials initially announced that 20 people were killed, but later said that six bodies were unearthed from under the debris.
Police vehicles parked in the facility's courtyard were destroyed and nearby homes suffered some damage, they said.
The dead and wounded were policemen and Houthi rebels, they said.
According to the officials, who had no further details, the airstrike happened shortly before midnight on Sunday, Reporters were barred from approaching the facility, they said, speaking Monday on condition of anonymity because they were not authorized to speak to the media.
The fighting in Yemen has, since last March, killed more than 5,800 people.