A car bomb exploded near a mosque in Yemen's rebel-held capital on Wednesday, killing two people, medical sources and witnesses said."Two people were killed and four wounded according to a preliminary toll," a medical official said.Witnesses said the blast went off near a mosque of the Bohra sect of Shiite Islam, not far from Ath-Thawra Hospital in the Rammah district of Sanaa, where several attacks claimed by the ISISI terrorist group have targeted Shiite rebels.Four people were killed in the last such attack on July 21, according to a toll provided by the Huthi insurgents who control large parts of Yemen.ISIS bomb attacks targeting several Shiite mosques in the capital on March 21 killed 142 people.