The death toll in the Israeli airstrikes on Aleppo province in Syria has risen to 42, including six members of the pro-Iranian Hezbollah movement, a monitor group reported on Friday. The Syrian Observatory for Human Rights said this is the heaviest Israeli strike on Syria in three years. It added that the Hezbollah fighters were killed when a missile hit a militia warehouse and a Hezbollah training centre located near it in the Jibreen area near Aleppo International Airport at dawn on Friday. The Israeli bombing also targeted defence factories in al-Safira, the observatory said, and explosions…