Washington claims that its airstrikes target militants, but local sources say civilians have been the main victims of the non-UN-sanctioned airstrikes.
The United States has come under fire for increasing its drone attacks in the Arab country.
Yemenis have held many demonstrations to condemn the United States’ violations of their national sovereignty.
At least nine people have been killed in two separate US assassination drone attacks in Yemen.
The first drone strike killed seven people travelling in a vehicle near the town of Khawlan, about 35 kilometers (20 miles) southeast of the capital Sana’a, on Wednesday.
On the same day, two other people died in another attack on a house in the town of Radda in al-Bayda province.
Three people were also reportedly injured in the second strike.
The United States has launched numerous drone attacks in Yemen that have killed many innocent civilians over the past few years.