Youths Nidal Sanduqah and Ra'fat al-Bajjali were seriously injured as result of a strong explosion that rocked the center of Bethlehem. Our correspondent said that causes of the explosion, which took place in a house in Al-Saf Street in the city, are still unknown. He added that a third person was moderately wounded in the explosion. The concerned agencies have launched an investigation into the incident. 
	
	
 A short while ago, our correspondent in Bethlehem said that Ra'fat al-Bajjali was martyred of wounds he sustained in the explosion.