Activists in the southern Syrian city of Suweida cancelled plans to join anti-government protests on Sunday due to fears of a regime-led massacre of demonstrators, according to reports. Only dozens of activists responded to protest calls demanding the overthrow of the Assad regime, fearing newly deployed regime forces would open fire on protesters, The New Arab’s Arabic language service Al-Araby Al-Jadeed reported. Regime troops had already shot at protesters in the city earlier this month, leaving at least two dead and 18 injured. Some civilians in the semi-autonomous province have held anti-…