(McMinnville, OR)  --  Two people are facing charges after an attack on a high-school couple at McMinnville City Park.  Police say a group of teens attacked the couple Monday night as they took a walk after swimming at the city pool.  Authorities say two teen girls began punching and kicking the couple and four boys then joined in the attack.  The girls were later arrested and charged with assault.  The couple went to a hospital, where they were treated and released.