US Vice President Kamala Harris has suggested that there could be “consequences” for Israel if it goes ahead with a threatened invasion of Rafah in the Gaza Strip, where most of the territory’s population has taken refuge from deadly and indiscriminate bombardment. Around 1.4 million people are believed to be crowded into the city, which lies on Gaza’s southern border with Egypt. “We have been clear in multiple conversations and in every way that any major military operation in Rafah would be a huge mistake,” Harris told ABC News. “Let me tell you something: I have studied the maps. There’s no…