Gaza  - A mother and five of her children were killed by an Israeli tank shell in the al-Bureij refugee camp in the central Gaza Strip Friday evening, witnesses and medics said.

The children were aged 7 to 12 and the mother was 30 years old, the witnesses said.

The Israeli military had no immediate comment.

In another incident in the southern part of the strip, a militant was killed in an airstrike while riding on a motorcycle. (dpa)