The bombing seems to incompetently done to be the work of Hamas. This indicates it may be a new terrorist or terrorist organization which Israel will either have to compromise or expose. Congratulations Mr. Netanyahu. Your war on peace has produced exactly what any intelligent person expected. Your premise that because terrorism had subsided amidst hope of peace, then peace could be murdered, has been proven what it was. Folly.
Turkish police fire tear gas as clashes break out during May Day protest in Istanbul (Reuters)
from the article: Hamas not likely behind Jerusalem bombing