On 4 January , a car bombing in Musayyib killed 28 Shi'ite pilgrims .
On 4 January , a car bombing in Musayyib injured 60 others as they were returning from Karbala .
On 4 January , a car bombing in Musayyib killed 28 Shi'ite pilgrims and injured 60 others as they were returning from Karbala .