The Latest on developments in Yemen (all times local):

1:35 p.m.

A Yemeni rebel-run TV station says the Saudi-led coalition struck a busy district in the heart of the capital, Sanaa, targeting the presidency building. It says at least six people are dead and 30 have been wounded.

The Al-Masirah TV network, run by the Shiite rebels known as Houthis who control Sanaa and much of Yemen's north, did not give a breakdown of the casualties following Monday's strike and it was not known if they included any rebel leaders.

Eyewitnesses have told The Associated Press that the explosion from the strike was so strong that at least several civilians were killed in the street. One resident says he saw a body fly over a shop and a car washer killed by shrapnel. The resident spoke on condition of anonymity fearing reprisals.

Ambulances rushed to the area to retrieve the casualties.

The Saudi-led coalition has been waging war against the Houthis since 2015. Last month, the coalition killed a top Houthi leader, Salah al-Sammad, in the Red Sea port city of Hodeida.

—Ahmed al-Haj in Sanaa, Yemen;

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12:40 p.m.

Residents of Yemen's capital say airstrikes by the Saudi-led coalition have hit the presidential palace in Sanaa, causing causalities.

The eyewitnesses say fighter jets bombed Sanaa several times around midday Monday. They say some of the strikes hit the presidency, located in the busy commercial district of Tahrir.

It's not clear if there were rebel leaders inside the palace at the time. Sanaa is in the hands of Yemen's Shiite rebels known as Houthis, who are at war with the coalition.

The residents spoke on condition of anonymity, fearing for their own safety.

Images on social media show bloodied faces of the wounded and columns of smoke rising over Sanaa.

The Saudi-led coalition has been waging a war against the Houthis to restore the country's internationally recognized government to power.