Armed individuals late Saturday opened fire at an Israeli military checkpoint in east Jerusalem, seriously wounding at least two people, Israeli police said. Police were searching for the armed individuals. They said the wounded included a female Israeli soldier and a security guard. The shooting came at a time of heightened Israeli-Palestinian tensions, just hours after a pair ofPalestinian teenagers were killed in an Israeli military raid in the occupied West Bank. It also came less than 24 hours before Israel was to begin celebrating the weeklong Sukkot holiday, a time when tens of thousand…