Beirut \- A map of Palestine and figures wearing black-and-white keffiyehs adorned flyers littered below an apartment building – its sixth floor entirely wiped out by an Israeli drone attack on Sunday. Israel’s strike – the first to hit central Beirut in nearly a year of conflict – killed four people, including three members of the Popular Front for the Liberation of Palestine (PFLP), a Palestinian leftist faction and resistance movement. The flat served as the group’s office, according to a PFLP officer The New Arab spoke to at the scene, and was located at a busy transit centre known as ‘Col…