Two Israeli embassy workers killed by a gunman in Washington DC last night have been identified as a couple who were about to be engaged. Yaron Lischinsky and Sarah Lynn Milgram were shot dead as they left an event at the Capital Jewish Museum in the US capital. The suspect, who shot at a group of four people just over a mile from the White House, chanted a pro-Palestinian slogan in custody. Yechiel Leiter, Israel's ambassador to the US, said the man killed had "purchased a ring this week with the intention of proposing to his girlfriend next week in...