By Nidal al-Mughrabi and Emily Rose GAZA/JERUSALEM (Reuters) - Hamas said its militants fired machine guns and anti-tank missiles toward Israeli forces in north and south Gaza early on Tuesday as Israel's tanks and infantry attacked the enclave's main city, raising concerns about the plight of Palestinian civilians. Israel has expanded ground operations in Gaza as it seeks to punish Hamas for a deadly gun rampage three weeks ago that Israeli authorities say killed over 1,400 people. Witnesses said Israeli forces targeted Gaza's main north-south road on Monday and attacked Gaza City from two di...
