GAZA (Reuters) - Israeli aircraft on Sunday killed two Palestinians, one a 12-year-old boy, medical sources in Gaza said, as cross border violence continued for a third day.

Medics said the boy was killed by an Israeli air strike in the northern Gaza Strip. A Palestinian militant was killed in a separate strike in Gaza City, they said.

An Israeli military spokesman confirmed strikes were carried out but gave no further details.

(Writing by Maayan Lubell)