Israeli air strikes across the Gaza Strip killed 13 people early on Monday, raising the Palestinian death toll to 90 as Israel's relentless air campaign entered its sixth day.
In the latest incident, a missile hit a motorcycle east of Khan Yunis in southern Gaza, killing two men and critically wounding a child who was with them, a statement by Gaza's ambulance service said.
The two were named as Abdullah Abu Khater, 30, and Mahmud Abu Khater, 32, but the relationship between them was not immediately clear.
An earlier strike on Qarara in the same area killed two farmers -- Ibrahim al-Astal and Obama al-Astal, medics said.
In a strike on southern Gaza City, a car was hit, killing one man and injuring another three, officials said, naming him as 23-year-old Mohammed Shamalah.
Shortly before that, three people were killed in a strike on a car in Deir al-Balah in central Gaza, all of them from the same family: Amir Bashir, Tamal Bashir and Salah Bashir.
Very early in the day, two women and a child were among four killed in a strike on Gaza City's eastern Zeitun neighbourhood -- Nisma Abu Zorr, 23, Mohammed Abu Zorr, 5, Saha Abu Zorr, 20 and Ahid al-Qatati 35,
And medics said another man had been found dead in the northern town of Beit Lahiya, naming him as Abdel Rahman al-Atar, a 50-year-old farmer.