* Islamists likely to be suspected in deadly bombing
* First attack near capital in two years
* Bus station littered with blood and body parts
* Several hundred onlookers roam site of explosion (Adds detail, context)
By Isaac Abrak and Felix Onuah
ABUJA, April 14 (Reuters) - A morning rush-hour bomb killed at least 35 people at a Nigerian bus station near the capital on Monday, ...