Israel Ground Forces Shell Gaza as Fighting Intensifies

Israeli ground forces carried out attacks on the Gaza Strip early Friday in an escalation of a conflict with Palestinian militants that had been waged by airstrikes from Israel and rockets from Gaza.

It was not immediately clear if the attack was the prelude to a ground invasion against Hamas, the Islamist militant group that controls Gaza.

An Israeli military spokesman, Lt. Col. Jonathan Conricus, initially said that “there are ground troops attacking in Gaza,” but later clarified that Israeli troops had not entered Gaza, suggesting the possibility of artillery...