I wouldn't worry about these particular events. They may be short term by nature. The worrisome part is that they indicate the existence of "internal energy" among the Palestinians that may break out, say in the form of a Third Intifadah, if their hopes for a Palestinian state suffers a big setback.
2 Turkish security personnel killed, 24 wounded by Kurdish suicide bomb in eastern Turkey (Reuters)
from the article: Hundreds of Palestinians clash with Israeli forces in West Bank